The updated Rehband 7751 sleeve is here. Hot new colors and cool new logo designs. Endorsed by world-famous Josh Bridges and Rich Froning, the Rehband 7751 Rx Knee Support is the top choice among serious athletes. Offering great support along with its great style, the 7751 Rx is a 5mm SBR/Neoprene material that looks great and performs even better. Don't chance your knees to anything else. Stick with the company that has been supporting athletes since 1955.