Constructed of polyethylene and water resistant elastic webbing. This kit comes complete with rivets, closure and d-ring. It has multi-stitched closure for shortening adjustments, and an improved cosmetic design. Its universal (left or right) and, to top it off, one size fits all! Just fit securely, but comfortably, in supra-patella region while patient is weight-bearing in approximately 10° flexion, locate and attach with teflon bushing and free pivoting mechanical attachment.