Ergodyne® ProFlex® 4010 Wrist Support• Model 4010 limits downward and upward wrist movements.• Fully-adjustable for an exact fit and comfortable wear. • Flexible support without compromising productivity.• Patented open-center stay reduces pressure on the median nerve.• Exclusive" red line" indicator ensures proper fit every time.• Anti-microbial lining pulls moisture away to protect against odor and bacteria buildup. Makes for cool, dry comfort. • Durable fabric holds up to the toughest work environments.• Four sizes available: S, M, L, XL• Stock colors are black and tan with navy.• Machine washable.• Sold individually; specify left or right