... Specifications:1) Be made of top quality neoprene with lycra, nylon, spandex for durability, water tightness, warm keeping,&comfortability2) YKK zipper and ... in and out easily.3) Glued and blind stitching constructions for better water tightness.4) Wear resistant and crinkle resistant knee ... and ODM, custom design are welcome.8) Packing: PP bag for each piece, 10pcs in a carton, or as your requests ...