Thumb SpicaThe Bio Skin Thumb Spica controls motion in the CMC and MP joints by protecting the thumb against painful movements, while allowing full use of the fingers. Constructed with Bio Skin`s patented Ultima 2s material, the Thumb Spica features a thin layer of ultra soft micro fleece against the skin, which wicks moisture away from the body, keeping you cool and dry. The brace can easily be applied with one hand. Relief from overuse or injury. This ultra