CUSHIONS Prepared by: Jessica Lee, Natalie Burke and Cheryl Hon, OT Students Last Updated: June 2008 Manufacturer ACTION Product Name Professional ACTION Centurian ACTION Commuter ACTION Pilot Comments Pressure relief for users at risk of skin breakdown Akton polymer provides effective weight distribution on a contoured or flat surface Comes with basic cover but incontinent available Pressure and shear reduction for low-tomoderate risk users Combination of Akton polymer and foam are sealed in a waterproof film for incontinence protection Comes with basic cover but incontinent available Basic pressure and shear reduction for low risk users at an affordable price Combination of Akton polymer and foam are sealed in a waterproof film barrier to guard against incontinence permeation. Hyperlink Professional Low-profile cushion that provides pressure relief for most users with a pressure ulcer history 1" of Akton polymer provides immersion for bony prominences and protects clients with fragile skin integrity. Pilot Centurian Commuter ACTION Xact Classic ACTION Xact Lite ACTION Xact Soft Cushion Conforms to pre-contoured foam or rigid cushions to maximize stability and positioning when required Provides outstanding pressure distribution and anti-shearing properties. The 9/16” Action® Cube Pad and laminated foam base help the user maintain a comfortable, therapeutic position. Viscoelastic foam offers support for gluteal areas and bony protuberances Xact Classic Excellent pressure reduction and antishearing properties The ¼” Akton® polymer-textured overlay, on a contoured multi-layered foam base, promotes positioning, stability and comfort Lightweight (3.2 lb) Xact Lite Designed for clients requiring pressure relief plus forward and lateral positional support. Offers outstanding comfort and pressure distribution. The 9/16" ActionCube Pad embedded in a laminated foam base assists the user to maintain a comfortable, therapeutic Xact Soft Cushion CAMP Relax GelCell Contour position. Includes a moderate pommel and adductor to encourage lower extremity positioning and hip alignment, combined with a threeinch, anti-thrust rise. Air and gel combo for pressure relief and comfort to the high risk user 50 air-filled cells, each with layer of gel on top Dual valve, contoured design CAMP Relax GelCell Contour Plus CAMP Relax GelCell Same as GelCell Contour but with added 1” foam base For high risk user 34 interconnected air filled cells (1 valve) with layer of gel on top. Cells are all same height, not contoured CAMP Relax Duogel Medium-high risk users Relax GelCell Contour Relax GelCell Relax Duogel CAMP Relax X-Cell Contoured foam base with layer 2 types of gel on top (firmer under thighs, high viscosity at the back) Medium-high risk/incontinent users 4 quadrants filled with FloGel (no memory) set into foam Minimal contour, conforms to the shape of the user Bariatric sizes available Relax X-Cell CAMP Relax Easy Medium risk/incontinent users Fully rotational (can’t be put on backwards/upside-down) Foam with inner layer of FloGel Non-contoured Relax Easy CAMP Relax Trio Relax Trio Medium risk/incontinent users Lightweight (1.5 kg) and thin (1.5” high) Foam with 4 inner sections of FloGel Conforms to the shape of the user Cushion can be rotated Maximum body weight 180 lbs/80 kg CAMP Relax PleezrElite Medium risk users Contoured foam with inner layer of Xcelgel Contoured edges and pommel Incontinent cover CAMP Relax SimplX GFR Medium-low risk users Flat foam and gel combination Stretch fluid resistant fabric cover Relax SimplX GFR CAMP Relax SimplX GFN Same cushion as SimplX GFR but with nylon cover Relax SimplX GFN Relax PleexrElite Relax SimplX FT Low risk users Pressure reducing foam with twill spandex fabric top Relax SimplX FT FUTURE MOBILITY Prism Ideal Mild-moderate support 3 layers of foam, gentle contour Prism Ideal FUTURE MOBILITY Prism Elite Moderate support 3 layers of foam with gentle contour (similar to Ideal but thicker) Prism Elite FUTURE MOBILITY Prism Supreme Moderate-high support Leg troughs and abductor contouring provides pelvic stability and leg positioning Visco-elastic foam insert under ITs CAMP Prism Supreme FUTURE MOBILITY Supreme Air Cushion Air cushion with 5 adjustable areas Supreme Air Cushion INVACARE Infinity Contour AirFlo Mild abductor/adductor contouring that helps provide neutral leg positioning Infinity Contour INVACARE Infinity Contour FloGel INVACARE Absolute INVACARE Comfort-Mate Contoured foam base with inflatable air cells under pelvis (1 valve) using inflation bulb Postural support layer provides support and stability to the legs, assists in pressure redistribution, and reduces shear due to sliding Insert offers pressure reduction designed to provide optimal immersion of sensitive bony prominences Lo, Gentle and Max versions Similar features to Gentle Contour cushion but provides aggressive leg positioning and enhanced pressure redistribution Also available in gel (FloGel) and viscofoam versions Lo, Gentle and Max versions Offers stability and comfort at an affordable price. The molded polyurethane construction is an effective solution for simple seating needs AirFlo Infinity Contour FloGel Absolute Comfort Provides long-term sitting comfort and Mate promotes correct seating posture Beveled sides allow cushion to be used with a drop base Dual-firmness molded polyurethane foam with a waterproof coating with seals the foam to protect against moisture INVACARE InTouch Stabilite INVACARE Infinity Viscofoam INVACARE Single Density Improved contouring promotes postural position while being a lower profile, lighter weight cushion Developed to provide pelvic stability and leg InTouch Stabilite positioning for patients with postural asymmetry. The Stabilite comes with a ThinAir liner, a unique comfort layer that assists in redistributing peak pressures away from bony prominences. Ideal for geriatric or CVA clients Foam base supports the pelvis and thighs Infinity ViscoFoam provides excellent conformity Viscofoam to bony prominences Postural Support Layer - Constructed of durable, high-density polyurethane foam and feature reinforced lateral bevels which provide firm adductor support and allow the cushion to be used on a drop base with no carving required Adjustable Pelvic Obliquity is standard Optional Removable Leg Wedges are available to accommodate hip-flexion limitations or to facilitate foot propulsion Leg Length discrepancies can be accommodated Single An economical comfort cushion (available Density in over 100 non-standard sizes) INVACARE Ulti-Mate A lightweight and maintenance-free pressure-reduction cushion created from two layers of molded visco-elastic foam and a polyurethane foam bottom layer. Ulti-Mate INVACARE Ulti-Mate Base Same as Ulti-Mate but is affixed to a solid wood drop base. Ulti-Mate Base MOTION CONCEPTS MaTrx Cushion/Base Designed for users at moderate to high risk of skin breakdown Visco-elastic/HR foam combination includes pre-ischial contour, trochanteric shelf, beveled front-end Weight capacity is 300lbs A pediatric version is available MaTrx Cushion Fluid pressure reduction cushion designed for users with highest risk of skin MaTrx FloTech MOTION CONCEPTS MaTrx Flo-Tech Cushion MOTION CONCEPTS Kid*ab*ra Cushion/Base breakdown or existing tissue damage Comfortable, molded foam base includes pre-ischial contour and trochanteric shelf Dual layer fluid sacs provide immersion to sensitive bony prominences and prevent “bottoming out” Designed for pressure reduction, comfort and positioning Designed for users at moderate to high risk of skin breakdown Anatomically designed molded Viscoelastic/HR foam combination includes pre ischial contour, trochanteric shelf, and beveled front end. Optional pelvic obliquity kit, leg length discrepancy, seat depth reduction. Kid*ab*ra Cushion/Base NIGHTHAWK Medium Density Cumfy Cushion For clients up to 150 lbs. Wedge modification options Available in hard-med density (up to 220 lbs.) Medium Density Cumfy Cushion NIGHTHAWK Bi-Med Density Cumfy Cushion Laminated combination of 1" firm density base (for anti-sling effect) and 1" - 3" of medium density foam Available in wedge modifications For clients up to150 lbs. Available in a bi-hard density (up to 220 lbs) Bi-Med Density Cumfy Cushion NIGHTHAWK Contoured Med and Bi-Med Contoured to stabilize upper body Excellent pressure relief Contoured medium: medium density base. Contoured bi-med: firm density base. Contoured Med and BiMed NIGHTHAWK Superior Cumfy Cushion Base made of High Resiliency Hard Medium Foam which promotes, improves and maintains proper posture and balance. Built in leg channels and dish contours to eliminate ischial pressure Open cell foam top provides high energy impact absorption and support Same as Superior Cumfy Cushion but the base has been laterally beveled to accommodate the sling effect of the wheelchair Super Cumfy Contouring Arms Delux 100% open cell foam top provides high energy impact absorption and support Abductor build up for leg separation Contoured design provides proper hip and spinal alignment Tough flexible Etha Foam base Absorbs heat Superior stability Provides good pressure relief Intended for clients at high risk for skin Cloud NIGHTHAWK Superior Thin Cumfy Cushion NIGHTHAWK Contouring Arms Delux OTTOBOCK ComforT OTTOBOCK Cloud Superior Thin Cumfy ComforT breakdown and in need of maximum positioning Individual Floam cells with 3 different levels of volume for customization OTTOBOCK Advantage Designed for active users Lightweight, low profile Has FLOAM in the ischial and coccyx areas and foam elsewhere. The CEL-PAK ensures that FLOAM is always where it's supposed to be. Advantage OTTOBOCK Z-Flo Cushion Provides users with increased sitting tolerance and comfort in a more conventional, single bladder design FLOAM filled bladder covers the entire seat and sits on a durable foam base Cost-effective Provides pressure reduction by maximizing overall surface contact Shape of the front edge maximizes thigh support facilitating foot propelling Trochanteric shelf promotes level pelvis Optional gel pad can be added to ischial area Custom cushion fabricated to reduce pressure Z-Flo PHYSIPRO Ultra Cushion PHYSIPRO Pression Zero Ultra Cushion Pression Zero PHYSIPRO LXA LXA Made from urethane low-density foam. Provides comfort and reduces pain resulting from sliding. PHYSIPRO Faconner Shape and contour of the cushion reduces slide, pelvic rotation, and promotes pressure redistribution Faconner PHYSIPRO Stimulite Thermoplastic urethane shaped like honeycombs Honeycomb design provides support as well as pressure relief Facilitates blood flow and contributes to healthier skin Designed for an active user Contoured, wrap-and-lift base designed with high density, high resiliency polyurethane foam Redistributes weight away from areas vulnerable to skin breakdown Twin-cell gel well, dual viscoelastic foam layers, 4-way stretch top fabric, pliable urethane fluid resistant inner liner and nonslip bottom Intended for clients at high risk for skin breakdown Stimulite QUANTUM Synergy Solution REHABILITATION QUANTUM Synergy Spectrum REHABILITATION Synergy Solution Synergy Spectrum Similar to the Solution but client has a choice of inserts: deep twin-cell gel or visoelastic foam insert Has an extra deep well QUANTUM Synergy Structure REHABILITATION Synergy Similar to Spectrum but combines the pressure relieving insert options: deep twin- Structure cell gel or visoelastic foam insert with a modular positioning component allowing for customization QUANTUM Synergy Simplicity REHABILITATION Provides comfort plus moderate pressure management and positioning Low profile Synergy Simplicity Most contoured and comfortable cushion on the Comfort Company 2 layers of HR foam with contoured adductors and abductor Optional Quandra3D Gel Pack Choice of 2 covers: Solace fabric— Saddle THE COMFORT COMPANY Saddle THE COMFORT COMPANY TruForm THE COMFORT COMPANY Support Pro designed for pressure relief and comfort or Comfort Stretch fabric—designed for air transmission and heat reduction Zero-elevation, wedge and anti-thrust versions available Bariatric version available for individuals up to 750lbs For users who need maximum pressure relief with a soft seating surface Combination of a thick layer of 4 lb. visco memory foam and layers of high resiliency foam Provides contour and rebound Available in 3” or 4” height Choice of 2 covers: Solace fabric or Comfort Stretch Meets a variety of seating and positioning needs Soft initial feel for users followed by consistent support the longer they sit on the cushion Comes with a QuadrGel pack with 4 separate compartments Zero-elevation, wedge and anti-thrust versions available Optional pommel and rigidizer Choice of 2 covers: Solace fabric or Comfort Stretch fabric Bariatric versions available up to 750lbs. TruForm Support Pro THE COMFORT COMPANY No Lean Designed to accommodate users with pelvic No Lean obliquity or postural asymmetries Choose from 0.5”, 1”, 1.5” or 2” deep recess. Available in recessed rear quadrant or in full-length recess for more pronounced drop of ischial and leg Dual layers of high resiliency foam provide increased comfort and decreased probability of sores. Optional QuadraGel gel pack in a polyurethane bladder that allows contour Choice of 2 covers: Solace fabric or Comfort Stretch fabric 250 lb. weight capacity. Saddle 7 Same as Saddle for the bariatric user Series THE COMFORT COMPANY Saddle 7 Series THE COMFORT COMPANY Support Pro 7 Series Same as the Support Pro for the bariatric user RIDE DESIGNS Custom Cushions Custom Unique shape of user captured in a Shape Cushions Simulator for a custom fit of a force isolation cushion Ride CAM straps used to adjust the cushion contours to accommodate weight change, tissue atrophy, and postural change Brock composite material that allows air Support Pro 7 Series RIDE DESIGNS Forward Cushion ROHO Contour Select circulation, temperature contour, moisture dispersion Contoured base helps promote and control improved posture and balance. Top visco elastic layer provides protection and comfort as it conforms to body shape decreasing peak pressures. Forward Cushion Contoured design positions the pelvis back in the wheelchair and centers the user comfortably in the middle of cushion ISOFLO Memory Control Unit locks air into each of the four quadrants, providing stability by minimizing side-to-side and front to back motion Combining lightweight and comfortable air floatation cushion with a pre-contoured foam base, encased within a moisture resistant cover Contour Select ROHO Harmony ROHO High-profile Quadtro Select ISOFLO Memory Control Allows for quick, simple position selection Stability is enhanced by locking the air into place in each of the four quadrants High-profile Quadtro Select ROHO Low-profile Quadtro Select ISOFLO Memory Control Low-profile Quadtro Select Harmony ROHO High-profile Single Compartment ROHO Low-profile Dual Compartment Designed for high risk users Assist in the healing of ischemic ulcers. 4 cells Also available in low-profile version (height: 2) Dual compartments can be adjusted independently to increase positioning and stability for either side-to-side (to adjust for pelvic obliquities) or front-to-back control (to adjust bucket or tilt angle) 4 cells Also available in low-profile version (height: 2) AIR IN PLACE positioning in twomanifold system for enhanced midline channeling of the femurs, lateral stability and tissue protection High-profile Single Compartment High-profile Dual Compartment ROHO Enhancer ROHO nexus Spirit Contoured foam base for increased stability for transfers and provides exceptional positioning of the pelvis and lower extremities for enhanced sitting posture nexus Spirit ROHO AirLITE Combines contoured foam base with a sealed air support pad Non-skid bottom for stability in the AirLITE Enhancer ROHO Mosaic ROHO Triumph ROHO LTV Seat SOS Pro-Lite REHABILITATION wheelchair Positioning contour base design with leg troughs and abductor support for optimal leg positioning Designed for clients with tactile sensation Designed to provide a comfortable, functional and stable sitting environment 3" polyvinyl interconnected air cells Incontinent cover included Should not be used for clients who are highly susceptible to skin breakdown or have an existing sore 250lb Weight Capacity Designed for the client with skin protection seating needs Contains TEMPUR® viscoelastic material that gently contours to the body, redistributing contact forces Lightweight 300lb Weight Capacity Made of individual, interconnected air cells that allow air to slowly transfer from chamber to chamber and evenly distribute body weight pressure Able to customize the seat to your specific comfort level Lightweight (1lb) and easy to fold Low risk user Molded HR foam for comfort and Mosaic Triumph LTV Seat ProLite SOS Pro-Max REHABILITATION SOS Pro-Custom REHABILITATION SOS All-Star REHABILITATION SOS Super-Star REHABILITATION positioning Slight contour Incontinent proof cover Medium risk user Comes with 3 moveable soft gel pads to customize the cushion for pressure relief Gel pads also reduce skin temperature Incontinent proof cover Pro-Max Made of custom cut HR foam with a full bladder of gel Incontinent proof cover Pro Custom Low Profile Provides maximum pressure relief and positioning Multi layers of different densities of foam for maximum pressure relief. Anti-thrust shelf discourages sacral sitting Lightweight Same as All-Star but increased layers of memory foam and high profile Incontinent proof cover All-Star Super-Star SOS Vicair Liberty PT REHABILITATION SOS Vicair Positioner REHABILITATION SOS Vicair Adjuster REHABILITATION Same as Liberty ST but the cushion is divided into two front and rear compartments to diminish the tendency to slide forward. Available in 5 sizes Vicair Liberty PT Contains 4 compartments and is useful for individuals who have slight body asymmetry and/or active users who can transfer themselves on and off of their chair The rear compartment provides support and pressure relief in the ischial areas, while the side compartments provide extra lateral stability and thigh support. If the user has a tendency to slide forward, the ischial bar will prevent this from occurring. Cushion contains hundreds of air-filled SmartCells and a valve to control the amount of air between the cells Comes with choice of two different covers: comfair or incontinence Contains 5 compartments which are beneficial for individuals with severe anatomical body-asymmetry The two compartments in the back good for correcting a hip obliquity. The ischial bar prevents the user from sliding forwards. The front of the cushion consists of two leg channels. Cushion contains hundreds of air-filled Vicair Positioner Vicair Adjuster SOS Vicair Vector REHABILITATION VICAIR SmartCells and a valve to control the amount of air between the cells Comes with choice of two different covers: comfair or incontinence Same as above but contains 6 compartments, the 6th being a pommel that provides stability to the user Vicair Vector STAR CUSHION PRODUCTS Mid Contour Cushion 3 cell For the high-risk of skin breakdown user Single, double, or four valve Available in short (2), tall (4) models Mid Star Contour Cushion STAR CUSHION PRODUCTS Standard Contour Cushion Air adjustable 4" cells For the High Risk of skin breakdown Available in dual and four valve/compartment Standard Contour Cushion STAR CUSHION PRODUCTS Star CXR Combines 2" cells and 4" cells for additional protection in the coccyx area Dual valve system with one valve used to adjust the 2" cells under the coccyx area, and the other valve to adjust the remaining Star CXR 4" cells 16 standard configurations available STAR CUSHION PRODUCTS StarLock Adjustable air cushion – vary degree of air flow between each individual cell, from open communication to completely closed StarLock SUNRISE (JAY) Guardian Designed with soft, even support for maximum comfort and support in a wheelchair made with "breathable" polyurethane foam Guardian SUNRISE (JAY) Jay 2 Lightweight, low maintenance Designed to prevent skin breakdown Bariatric cushion available at a weight capacity of 650lbs Jay 2 SUNRISE (JAY) Jay 2 Deep Contour Designed for the person at extremely high risk of skin breakdown, who also seeks unparalleled comfort and stability Has a 3” seat well Longer seat well narrows toward the rear to accommodate various pelvic positions Jay 2 Deep Contour while providing stability SUNRISE (JAY) Jay2 Recline Cushion SUNRISE (JAY) Jay Active Designed for the person at high risk for skin breakdown Lightweight, low maintenance Jay 2 Recline Lightweight Mild-moderate positioning and moderatehigh skin protection Pre-contoured foam for stable base of support Jay Active SUNRISE (JAY) Jay Basic Soft, mildly contoured foam For person with flexible posture and low risk for skin breakdown Jay Basic SUNRISE (JAY) Jay Care Moderate risk for skin breakdown who sits with a fixed posterior pelvic tilt Jay Care SUNRISE (JAY) Jay Combi To be used on sling upholstery Fluid Tripad incorporates left, right and rear sections to maintain the fluid under bony areas 2 distinct, integrated layers of foam encased Jay Combi in a moisture resistant coating Designed for mild-moderate postural support and low risk for skin breakdown. SUNRISE (JAY) Jay Soft Combi SUNRISE (JAY) Jay SUNRISE (JAY) Jay Duo Has a pre-contoured foam base that encourages alignment and redistributes pressure Comes with black incontinence-resistant covers. Soft Combi P has greater thigh supports Jay Soft Combi and Combi J Low maintenance cushion designed for high positioning, pressure relief and skin protection needs (2+ inches of immersion capability) The fluid pad design differs from the J2 in that it has channels or “fingers” of fluid in the front of the cushion as well as in the back. Provides comfort and skin protection for the moderate risk person with mild Jay Jay Duo SUNRISE (JAY) Jay Easy Cushion SUNRISE (JAY) Jay Extreme and Jay Extreme S SUNRISE (JAY) Jay GS positioning needs. Consists of three layers: solid seat pan, foam cushion and integrated fluid pan Dropped seat pan allow clients to keep their feet on the floor for foot propelling Developed for individuals who require moderate positioning and pressure relief. Rear of the cushion base features a sacral notch Significant lateral and medial thigh contours Comes with curved or flat base Jay Easy Jay Extreme Designed for active users who need mild positioning, moderate to high skin protection, and optimal comfort Lightweight low-profile seat cushions There is a notch in the rear of the foam base as a relief point for the user's coccyx (tail bone). Jay Flow™ fluid is combined with the soft foam for pressure distribution Jay Extreme has slight adductor lateral contours and Jay Extreme S does not Jay GS Designed for the pediatric with high positioning needs who is a moderate to high risk for skin breakdown Incorporates the technologies of the Jay Flow™ fluid, and includes growth capabilities to allow the cushion to grow as SUNRISE (JAY) Jay J-Gel SUNRISE (JAY) Jay Triad SUNRISE (JAY) Premium Wheelchair Cushion SUNRISE (JAY) RePositioner the client grows Anterior seat well reducers can be added to maintain the seat well length when the seat depth is increased Designed for clients who require mild to moderate positioning support with a low or moderate risk for skin breakdown. A pre-contoured foam exists with a gel cube pad on top for positioning and decreased shearing pressure Jay J-Gel Designed for the user who needs moderate positioning, and who is at low to moderate risk of skin breakdown 3 layers of foam, encased with a moisture resistant coating and an incontinent resistant cover Jay Triad Distributes weight evenly to reduce pressure and relieve discomfort. Soft and supportive Wedge option available Premium Provides support, stability, and superior comfort, helping to reduce pressure sores. Low Profile RePositioner SUPRACOR Stimulite Classic Three layers of honeycomb foam Tiny perforations for ventilation Incontinence pad an option Classic SUPRACOR Stimulite Classic XS For high risk users with sensitive skin Three layers of honeycomb foam of different firmness and a softer top layer of flexible honeycomb for individuals with sensitive skin Ventilator cover Multilayered honeycomb shaped into contour Rear dish for pelvic positioning Softer honeycomb material pad to support ischials and coccyx Firmer honeycomb distributes weight away from the ischials and toward the trochanters and thigh area for added support Designed for high risk users with sensitive skin Same as Contoured but with a softer top layer of flexible honeycomb. Classic XS SUPRACOR Stimulite Contoured SUPRACOR Stimulite Contoured XS Contoured Contoured XS SUPRACOR Stimulite Corbee Similar to the classic cushion Pediatric sizes Corbee SUPRACOR Stimulite Slimline Reduced profile for active users or those at lower risk for pressure sores Adductors, an abductor and a rear dish form a subtle contour for support Slimline SUPRACOR Stimulite Sport SUPRACOR Stimulite Silver Sport Ideal for sports chairs and wheelchair athletes Soft layer of Stimulite Honeycomb is fused to a robust bottom layer with built-in bolsters for maximum shock absorption and support Special cover featuring a durable stretch mesh for ventilation Silver Distributes weight evenly to relieve pressure, conforms to body shape and flexes with movement to prevent shearing SUPRACOR Stimulite Classic Bariatric Accommodates up to 650 lbs. Optional incontinence pad SUPRACOR Stimulite Contoured Pediatric Contoured The back of the cushion folds up for extra positioning; removable Velcro straps secure Pediatric it in place or release the cushion as the child grows Meridian The Meridian is a dual-chambered, adjustable skin protection cushion, ideal for prevention of sacral sitting. Contains a pre-ischial ridge and wedge Lightweight Functional areas of the cushion are created by three types of foam Meridian Same as above but with 3 different solid closed cell foam bases that provides added contour and stability Meridian Wave VARILITE VARILITE Meridian Wave Classic Bariatric Three different Wave designs are available: Contoured Positioning Wedge, Lateral Positioning Base and Contoured Positioning Base. VARILITE Evolution 3 different foams Medial and lateral positioning support 2” tapered closed cell foam wedge 3.5” in height, fully inflated Evolution VARILITE Evolution Wave Same as evolution but with 3 different closed-cell foam bases to give more contour and stability Three different Wave designs are available: Contoured Positioning Wedge, Lateral Positioning Base and Contoured Positioning Base. Evolution Wave VARILITE Zoid VARILITE ProForm NX Impact and vibration reducing technology 2.5” height 1” taper front to back Absence of medial thigh separator Extra-stiff, beveled laterals provide lateral support and improved balance Self-inflating Largest size weighs 1lb Zoid Air valves Single-chambered or new dual-chambered Modifiable thigh support Contoured Base Contoured medial thigh separator, laterals and pre-ischial ridge Foam wedge ProForm