1.Gold Standard for Thumb CMC OA Treatment u2013 The low-profile thumb joint brace for arthritis a custom fit with a simple squeeze, ensuring maximum support without bulk. Designed specifically for relieving pain from osteoarthritis at the thumb CMC joint, instability of the thumb CMC joint, and post-operative care after thumb CMC surgery 2.Pain Relief Thumb Stabilization u2013 This arthritis thumb brace effectively stabilizes the CMC joint to relieve pain from thumb arthritis, hand pain, and CMC osteoarthritis while allowing full use of your fingers 3.Comfortable Fit u2013 For fit with full range of motion, gently, but firmly, close the straps; do NOT pull them tight. With your thumb in mid-position and relaxed, squeeze the metal insert firmly so it snugly fits around the muscles of your thumb 4. Machine Washable for Lasting Durability u2013 Made from latex-, abrasion-resistant materials, the Metagrip requires regular cleaning to avoid velcro strap degradation and residue buildup. Luckily, it's easily cleaned in the washing machine on delicate 5.Doctor Recommended Insurance Reimbursable u2013 Trusted by medical professionals, this cmc joint thumb arthritis brace is backed by studies for thumb pain relief. Eligible for insurance reimbursement (L3924 or L3924-CG for Medicare)