Remedy Breathable Neoprene Thumb Wrist Brace, Left Hand: * Easy one-handed on and off usage * Soft breathable material * Adjustable radial and palmar stays * Wide aluminum and long straps (trim-able) for custom fit * 90 degrees multiple position range of motion * Extra small fits right wrist with circumference of 5" and below * Small Fits right wrist with circumference of 5-6" * Medium fits right wrist with circumference of 6-7" * Large fits right wrist with circumference of 7-8" * Extra large fits right wrist with circumference of 8-9"