... .Constructed of thick, durable, high-quality neoprene. 3.To keep warm, Protection knee function Material: Neoprene, 3mm (Black Mercerized+SBR+RED Polyester ... :32*17CM Feature:1.Constructed of thick, durable, high-quality neoprene.2. Available in a range of colors , patterns and sizes3 ... and Fashion,5.Easy to carry, not easy to fall neoprene ankle support