The JAY J3 line offers a range of width, height and contour depth shells to fit varying client needs. Each back is lightweight and adjustable, with many hardware choices for easy installation. J3 hardware uses a clamp style to fit frame tubing from 3/4" to 1 1/8", making it a highly compatible aftermarket option. The solid shell comes in five contour shapes and four support heights to provide support for clients with different postures and functional needs. It has 20° of angle adjustability, +2" of width adjustment, and is coded E2613, E2614, E2615 and E2620. The J3 is available in a carbon fiber shell that weighs as little as 2.2 lbs. with RH hardware.