This model is made from a three-piece design to provide an optimal fit around the wrist. The short thumb piece provides a good support for the thumb. There is a dynamic seam over the wrist to provide extra stability when the splint is loaded. The lower end of the brace is made without an edging tape to provide a higher degree of elasticity. The splint pocket is made from double woven nylon for maximum durability. The thumb grip is adjustable. This model is supplied with the stable wrist splint. Size Medium Wrist Circumference is 16-18cm