Thumb Support Brace CMC Joint Stabilizer Orthosis Spica Splint for Osteoarthritis Instability Tendonitis Arthritis Pain Relief Thumb Support Brace Joint Stabilizer OrthosisSpica Splint By XQWOXQ Size S-- Palm Circumference: 15-18 cm / 5.9-7.0 inch M-- Palm Circumference: 18-21 cm / 7.0-8.2 inch L-- Palm Circumference: 20-24 cm / 7.8-9.5 inch About the Product: 1.Relief Thumb CMC (Basal) Joint PainThis thumb support brace doesn't mess with blood flow and can ease pain from CMC osteoarthritis, arthritis and rhizarthrosis and Post-surgical treatment of the first CMC joint. 2.Give Max Hand FreedomFit around thumb muscles by squeezing the embedded metal insert in the CMC thumb brace. It can ensure the brace fits securely at the root of the thumb without impeding other joints, giving you MAX HAND FREEDOM. 3.Friendly to Your HandsThumb spica splint has SMOOTH, rounded edges, which conform comfortably around your thumb so you can GRIP, PINCH, or TEXT without pain. Provides ALL-DAY wear, even under a glove/clothing. 4.Soft and Breathable SleeveThumb sleeve included, it can prevent direct contact between the product and the skin, absorb sweat and BREATH, and prevent abrasions. It can also be used alone when the thumb just needs a little support. 5.High Quality MaterialMade with a special process & flexible rubber material, will not scratch the skin. Resist abrasion, won't deform in hot environments, and is machine washable. 6. Ideal for: Thumb CMC joint pain due to osteoarthritis Instability of the thumb CMC joint Post-operative care after thumb CMC surgery Packing List 1 Piece * Thumb Brace Joint Orthosis (not a pair) Notes:Be careful to distinguish between the left and right hands.