Team sky diluvio shoe covers 16cm first choice for warm feet this bootie does it all wind water and cold protection thanks to the seam sealed three layer neoprene construction reflective bits for visibility and a durable zipper for easy on off neoprene fabric will stand up to the wettest and coldest winter riding conditions waterproof zipper with ankle protection flap reflective heel panel high durability toe panel fabric easy on pull tab weight 146g