Thermoskin Patella Tracking Stabilizer Large 14.5 15.75 Wheelchairs X Wide White * Stool features a Diabetic Socks White * Stool features a padded seat and back for added comfort * Angled seat makes sitting on getting off easy * Manufactured with chrome plated steel for an attractive durable finish * Comes with removable arm supports with adjustable width for added safety & comfort * Easily assembled * Adjustable height 21 to 27 accomodates most size individuals * 300 Lbs 2kg) *Weight Capacity Large * Has a fully adjustable internal buttress which ensures correct positioning and control of patella movement * Allows vertical tracking of the patella during vertical flexion extension * Assists in the treatment of patella problems including instability pain and subluxation (looseness)