Take the pressure off a painful thumb due to arthritis with this arthritis thumb support. Designed to be worn on the right or left hand, it can easily be adjusted at the wrist for comfort. This ambidextrous thumb brace for arthritis and other conditions that may cause a sore or stiff thumb, provides insulated warmth, moisture-wicking and it has an antimicrobial inner layer made of soft micro-terry. It also helps with thumb circulation. Choose a size: small/medium (fits wrists 5 1/2 to 7 1/2 inches) or large/XL (7 1/2 to 10 inches). Latex-free neoprene/nylon/polyester. Hand wash; dry flat. Made in U.S.