Provides immobilization for weak or injured wrists. Patented design prevents flexion and extension of the wrist while also protecting the thumb from impact or shock. Foam material is breathable and light with no seams or pressure points around the thumb joint. Ideal for sprains, strains or after cast removal. Made of a cool and breathable open cell foam material with interlock poly cover. Material also provides comfortable, continuous compression. Low contour at palmar crease allows for full finger dexterity and improved grip strength. Removable palmar stay and two medial/lateral stays provide maximum support and immobilization. Loop lock closures and elastic insert assure proper fit and easy one hand application. Black color helps hide soiling. Latex free. Right Series Sizes Fits Wrist Left Series 22-450 X-Small 4 1/2 - 5 1/2 22-451 22-450 Small 5 1/2 - 6 1/2 22-451 22-450 Medium 6 1/2 - 7 1/2 22-451 22-450 Large 7 1/2 - 8 1/2 22-451 22-450 X-Large Over 8 1/2 22-451 Measure around center of wrist. Specify right or left. Catalog Numbers: X-Small Right (22-450XSBLK) Small Right (22-450SMBLK) Medium Right (22-450MDBLK) Large Right (22-450LGBLK) X-Large Right (22-4501LGBLK) X-Small Left (22-451XSBLK)Small Left (22-451SMBLK) Medium Left (22-451MDBLK) Large Left (22-451LGBLK) X-Large Left (22-4511LGBLK) On Apr-22-10 at 18:25:37 PDT, Product Listihg.