Spica Thumb | Thumb Spica; Thumb Spica; Thermoskin Thermal Support for Prevention; Treatment & Rehabilitation of the Thumb. Provides protection and support to the ulnar collateral ligament; which is associated with football players and skiers sustaining debilitating injury to the thumb. This Thermoskin thumb splint is also useful for industrial related injuries. This splint is anatomically designed to limit the motion of your thumb joint; immobilize your wrist; and prevent rotation. The Thumb Spica is rigid and provides immobilization. The Spica Thumb is comfortable; easy to put on; and allows full use of your fingers. It is ideal for arthritis; tendonitis; or after common thumb injuries. The patented Thermoskin lining wicks away moisture to prevent excessive sweating and provide long term comfortable use. This Trioxon lining also increases your circulation and provides and gentle heat therapy to activate your own body?s healing power Right | XS | Beige