Scott Specialties Deluxe Knee Immobilizer Medium 16" L, 12-1/2" to 15-1/2", WhiteScott Specialties 16 Inch Deluxe Knee Immobilizer has white cotton sateen on 3/8 inch thick foam and nylon tricot-lined for comfort and durability. It has one removable pre-shaped lateral and medial stay and two posterior stays for rigid immobilization. Alternating Velcro in loop-lock fashion gives desired adjustment. Comes with two adhesive foam strips and popliteal pad for perfect fit.