Helps strains, sprains and instability of the wrist and thumb;Helps support injured, weak or arthritic wrists during sporting or occupational activities;Slimline and lightweight support with Multi Zone Compression provides a snug yet flexible fit, helping warm muscles;Specialist breathable fabric helps control moisture during intense activities. The support fits the Left or Right side and is Unisex;Registered with Medicines and Healthcare products Regulatory Agency, UK as a Class 1 Medical Device