This thumb and wrist brace is a mobility-minded fingerless glove with removable wrist splint that relieves pain and cushions wrist. Thumb and wrist splint reverses for right or left hand. Measure palm from index finger to pinkie to specify size: Small (3 1/4"), Medium (3 3/4"), or Large (4 1/4"). 92% cotton/8% Lycra® is machine washable. Imported.