Sunrise Medical
JAY J3 Back
JAY J3 Back
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Choose your configuration using the selectors above, or contact us for help.
A configurable wheelchair back with a lightweight contoured shell, soft foam and adjustable mounting hardware. Choose the support height, contour and size that match the user’s posture, chair and activity needs.

New J3 Plus Backrest
J3 Plus accommodates wider users with 22″, 24″ and 26″ options and a 500 lb weight capacity. Selected mid-thoracic models offer a hinged lower vanity shell extension that moves to accommodate soft tissue.

More sizes. More styles. More wheelchair backs for the perfect fit.
Choose from five contour styles and lower, mid, upper thoracic or shoulder support heights. Shell width, height and hardware choices depend on the selected model; the selectors show order-form combinations only.

PD Back Now in Over 40 Sizes
The Posterior Deep back uses built-in contoured laterals for thoracic stability and midline support. Multiple widths and heights let the back support be matched to the user.

Carbon Fiber Shell
The carbon fiber Posterior shell offers a lightweight alternative in the sizes and R-hardware combinations listed on the Canadian order form. Complete systems can weigh as little as 2.2 lb, depending on configuration.
Specifications
| Product Height | Lower Thoracic: 6.5", 8", 9.5"; Mid Thoracic: 12", 13.5", 15"; Upper Thoracic: 16.5", 18", 19.5"; Shoulder Height: 21", 22.5", 24" |
|---|---|
| Product Width | 12" to 26" |
| Product Weight | 1.7 lbs. and up (without hardware) |
| User Weight Capacity | 12" to 20" widths: 300 lbs.; 22" to 26" widths: 500 lbs. |
| Hardware Options | RH; SH; TH; 4-Point |
| Hardware Angle Adjustability | 20° |
| Hardware Width Adjustability | +2" |
| Frame Tubing Compatibility | 3/4" to 1 1/8" |
| Headrest Mount Available | Yes |
| Shell | Lightweight, contoured |
| Lateral Contour Support | PA: 2.2"; PL: 3"; PD, PDL, PDC: 6" |
| Insert | 1 1/2" soft foam |
| Outer Cover | Spacer Fabric and Lycra® Stretch Outer Layer |
| Optional Positioning Accessories | Spine Align Posture Conforming Inserts; Lateral Thoracic Pads; Chest Straps/Harnesses; Whitmyer® Head Supports |
| JAY Your Way Modifications Available | Yes |
Sizing and included components
Includes the selected back shell, foam, outer cover and mounting hardware. Lower thoracic models include a small lumbar pad; standard mid/upper thoracic and shoulder models include small and large lumbar pads. J3 Plus includes small and large lumbar pads. Other positioning accessories are optional.
Select the nominal dimensions using the options above. Check the Canadian order form’s measuring guide and confirm chair compatibility before ordering. A fitting professional can help select support height, contour and hardware.
Videos
Resources and downloads
- JAY J3 Carbon Fiber Back Order Form (2025)
- JAY J3 Back Order Form (2025)
- JAY J3 Plus Back Order Form (2025)
- JAY® Family Catalogue
- JAY® Your Way Catalog
- JAY® J3® Ordering Guide
- JAY® Signature Series Catalog
- JAY J3 PLUS Back Owner's Manual - EN
- JAY J3 PLUS Back Owner's Manual - FR
- JAY® J3® Back Owner's Manual
- JAY® Cushions and Backs Parts Manual
- Education in Motion - Seating & Wheelchair Angles Reference Guide
- JAY J3 Plus Backrest Flyer
- JAY® J3® Back PD Expansion Flyer
Warranty
Warranty coverage may vary by province and funding requirements. Contact In Motion Services for the terms applicable to your order.
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