Description This easy to wear splint is designed for use following fractures & injuries to the thumb & also to protect against Skiers thumb. When to use it Wear while skiing to help prevent Skiers thumb & also to speed up the healing process of a fractured thumb or sprain. Which size do I need? Measure the circumference of your wrist. If your measurement is between two sizes, choose the larger size. Small 17cm Medium 19cm Large 20cm Extra Large 22cm Common conditions Broken thumb Skiers thumb Sprained thumb How it works Reduces thumb pain following a fracture or sprain by stablising the digit. This will also help to prevent further injury & shorten the healing duration. Metal stays are used within the support to achieve this by limiting movement of the thumb. This is also a popular product amongst skiers as it supports the base of the thumb joint, an area often injured during skiing.