MEDICAL GRADE – The Soles Metacarpal Brace is crafted from high quality medical grade breathable neoprene (resprene) for enhanced stability, durability and comfort during recovery. USE – The Soles Metacarpal Brace is suitable for boxer, or metacarpal breaks, stabilizing your ring and little fingers for fast and efficient recovery. The Soles Metacarpal Brace also suitable for post operation recovery, or any injuries involving the ring and little finger, including sprained knuckles, tendonitis, trigger finger, and tendon injuries. ADJUSTABLE and PRACTICAL – The Soles Metacarpal Brace is highly adjustable, and designed to fit both hands, and hands of all sizes. The open hand design allows one to use their fingers and hand comfortably during recovery or therapy. Do not overtighten the brace, the brace should be snug enough to limit the extension and flexion of the fingers with minimal pressure on the wrist.