Scubapro Everflex Scuba Diving Neoprene Gloves 3mm EverFlex neoprene material on upper portion. EverFlex is an ultra stretch neoprene with enhanced abrasion resistance. Ultra smooth Silverskin lining. Silverskin is an ultra-smooth interior finish. It consists of a cell finish with 'metalite' coating for extra warmth retention. It dries fast and seals extrememly well.