The fortuna neoprene hinged knee support 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 sn 018 small ft sn 019 medium ft sn 020 large ft sn 021 extra large measure around centre of