ITEM MATERIAL: nylon, polyurethane,polyamide, elastane, spandex breather FIRELION PALM: Soft, FIRELION Gel foam padding across palm pressure zones enhances hand comfort FUNCTION: FIRELION technology relieves pressure on the ulnar nerve and reduces hand numbness FIRELION THUMB: Soft absorbent thumb for brushing away sweat FIRELION VELCRO: Micro-wide velcro handcuffs provides comfort and freedom of wrist activity