ProFlex® Open Patella Knee Sleeve, Medium, 1 Each Hot and or Cold Therapy Wraps Right Extension * Padded cushion Style:Right Ear Right Extension * Padded cushion is specially designed for the left and right * Black leatherette zippered cover * Leg extensions are approximately 1 2 of the seat width x 9 long * Overall length with Leg Extension is 25 * Overall thickness is 1 1 2 and have a 5 8 plywood base 18 Wide x 16 Deep x 1 It provides an efficient 3 millimeter thick neoprene is perforated and spandex is in mesh form so knee sleeve is breathable Neoprene and spandex knee sleeve is open at the patella and will aid mobility after a knee sprain or strain