One size. Reversible. Support level maximum moderate minimum. Provides support to weak or injured wrists; helps reduce motion in wrist. One size fits most. Class 1 Medical device FSA eligible. (1) Helps reduce motion in wrist. (2) Removable metal splint allows for easy fit on either hand. (3) Contoured ergonomic shape provides maximum comfort and support. (4) Low profile stitching helps reduce skin indentations and irritation. (5) Breathable and lightweight fabric for all-day wear. (6) Antimicrobial (Antimicrobial treatment is intended to protect the brace and does not extend protection to the skin). Not made with natural rubber latex. 3-in-1. (1) Provides protective support to wrist (2) Supports the wrist to aid in the treatment of carpal tunnel syndrome and arthritis. (3) Provides support to weak, injured, or arthritic wrist joints. Since 1959 the Muller family has been the trusted leader in sports medicine. We are dedicated to creating the highest quality products that help people recover and perform at their peak. Engineered in Wisconsin by Mueller Sports Medicine. Trusted brand. Family owned since 1959.