To help wearers, many supports feature compression straps, support stays, hinges or velcro closures The range is extremely comprehensive covering virtually every muscle and joint in the body. What's more, by using extensive customer research we know customers benefit more from supports that are sized to fit them. Short Wrist Strap support uses a universal design which fits both left and right wrist. Covers wrist area and features an additional strap which provides extra support. Sizing (measured in cm):XS: 11-13 S: 13-16 M: 16-19 L: 19-22 XL: 22-25