1.Gold Standard for Thumb CMC OA Treatment 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 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 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 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 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)