[M]

Supports patella lateral polarized knee joint Active resin stays on both sides. Prevents curling, twisting, and slipping, and improves the fit of the supporter. The Patella pad does not touch the skin directly, reducing the corners and chafing of the pad. Patella pads built in inside the pad cover help reduce patella lateral deflection The support can be used on either the left or right side by flipping it upside down.