The perfect combination or warmth and flexibility. 5mm Technobutter 3, smoothskin neoprene, this glove is glued blindstitched and fluid seam welded for ultimate warmth, with internal technobutter 3 firewall lining for warmth and more flexibility and O'ring cuff seals to prevent extra water from flushing through the wrists, this is probably one of the best 5mm gloves on the market, built for the winter waters, to keep you in the water for longer, without feeling the cold, this is a great glove.   Features 5mm Smooth skin neoprene Anatomical fit Tacky Grip O'Ring Seal Washing instruction: Rinse with cool water and drip dry out of direct sunlight Technobutter 3 neoprene Single fluid seam weld Firewall - Techno butter Interior       SKU: 1284522 O'Neill Psycho Tech 5mm Wetsuit Gloves