Features. Thumb saddle joint brace made of extremely resilient plastic. With perforation therefore very comfortable to wear. Incorporates a special raised edge in the critical thumb forefinger area commissure to avoid pressure points. With undersock for excellent comfort. Color Black. Size Large Right19 21 cm. Dimension 9 x 4 x 5 in. Item Weight 7 ozIndications. Metacarpophalangeal joint and thumb saddle joint Ulnar ligament lesion skiers thumb partial immobilisation rhizarthrosis