This model is made from a three-piece design with a thumb piece, to provide support over both the wrist and thumb. The model has a more straight cut pattern to compensate for swollen joints. There is a dynamic seam over the wrist to provide extra stability when the splint is loaded. The splint pocket is made from double woven nylon for maximum durability. The thumb grip is adjustable. Size Medium Wrist circumference is 16-18cm