Provides support to aching, swollen or weak hand and wrist. Large. X-Large. Mild support. Sizing: S/M 6.5 - 8.0 inches. 16.5 - 24.1 cm. Fits left or right hand. Measure around palm of hand, above the thumb. Breathable material: Adjustable wraparound strap for customized fit and support. Soft materials enhance comfort and provide flexibility. Ideal for everyday activities. Supported by our expert panel of medical professionals and engineers.