INTENDED USE: Helps stabilize and support sore or injured thumbs while also helping to stabilize the thumb to help improve hand function and reduce pain. Aids in the treatment of painful conditions such as osteoarthritis. FIT: One size fits most. Can be worn on the right or left. Three adjustable straps, wraparound for easy on/off. TWO RIGID STAYS: One on each side of the thumb, limit movement and provide maximum support. FABRIC: Breathable mesh material provides comfort for all day wear. Fabric treated to prevent odor.