The Neobrace Wrist Brace is made of neoprene which retains heat to soothe painful joints.;The Neobrace Wrist Brace conforms well and can be cut to fit swollen arthritic joints without fraying.;The Neobrace Wrist Brace is available in Standard Length (18cm) or Long (23cm);Available in 5 sizes for the left or right hand. Measure the wrist circumference XS 11.5cm - 13.0cm S 14.0cm - 15.0cm M 16.5cm - 18.0cm L 20.0cm - 21.5cm XL 23.0cm - 24.0cmHealth and Care