Bodytec Wellbeing thumb splint This easy to wear splint is designed for use following fractures ,sprains and other injuries to the thumb. Designed using medical grade neoprene ,adjustable for a perfect fit. The neoprene also gives great heat retention along with an aluminium stay to stabilise and prevent movement of the thumb. Breathable medical grade neopreneAluminium stayAdjustableHeat retainingGood for many thumb related complaints Size:Small  Small 14-16.2cmMedium 16.2-18.7cmLarge 18.7-21.3cmX large 21.3-23.5cm