Fits both Men and Women. Protects and supports the wrist during periods of activity and for RCI. Ambidextrous wrap design with velcro closures that allow for adjustable fit. Effective for keyboard operators, typists, machinists or overuse. Measure the circumference of the wrist for sizing. X-Small fits 4.5 - 5.25 inches Small/Medium fits 5.5 -7.5 inches Large/X-Large fits 7.75 - 11.25 inches.