The fortuna neoprene tennis elbow splint is made from high quality neoprene rubber that provides constant uniform compression and support it also generates and retains warmth that increases blood circulation to the injured area thus promoting natural healing and comfort in addition the warming effects on muscles and joints increase flexibility to help prevent sporting injuries product code ft 025 small ft 026 medium ft 027 large ft 028 x large measure around wrist small 145 16c