Oppo Wrist/Thumb Support 1089 Size=S

Whilst breathable neoprene rubber makes up the structure of this support, it is covered with a durable, comfortable cotton lining on the inside and strong nylon on the outside.This, like many Oppo products, allows body heat to be retained which accelerates the body’s natural healing process.The product greatly reduces the risk of recurring injuries to this particular part of the body by aiding in muscle therapy, whilst also giving a strong and pain relieving support.Allowing the wearer to continue with many day to day tasks with comfort and ease. This support incorporates a reinforced metal splint and has a simple Velcro fastening at the wrist and tip of the thumb, making it particularly popular with Procter Health Care customers.

For correct size measure around the wrist/thumb joint:
Small (S) 5⅛'' - 6½'' (13.0-16.5cm)Medium (M) 6⅛'' - 8½'' (16.8-21.6cm)Large (L) 8⅛'' - 9½'' (21.9-24.1cm)