Cold temps don't stand a chance against the strength and protection of the Marathon Sessions 5mm Wetsuit Mittens. Engineered to extend your sessions with enhanced warmth and the supreme flexibility of StretchFlight® neoprene. AquaGlue and GBS internal seams work together to battle back against water seepage. Featured here in the Black colorway. Features Neoprene: StretchFlight neoprene Seams: Liquide Flex Seal external GBS (glued and blind stitched) seams for maximum flexibility and minimal water entry AQUA GLUE lamination