Keep wrists in neutral position for optimal ergonomic benefit. Breathable, closed-cell neoprene compresses and warms wrist muscles while two flexible, ribbed stays provide firm support. Adjustable elastic wrap with hook-and-loop closure fits left or right hand. Machine washable. For best fit, measure smallest part of wrist. Size Group: Small; Fits: Wrist Size 5 1/2 - 6 1/2; Material(s): Neoprene; Yarn Size: N/A.