The McDavid 402 open knee support is equipped with a heavy duty outer facing for added durability, and retains warmth, encourages healing while also reducing abrasion. It has an 11 long thermal Neoprene sleeve that is contoured and darted for best possible fit. The open patella area reduces pressure on the knee cap and improves comfort. It also features nylon facings on both sides, reversible colours and a 4-way stretch.