Mystic MSTC Cold Long 3mm Hood in Black I 2021 The new  Mystic MSTC Cold Long 3mm Hood has an extra long neck, this neoprene hood provides even more comfort and warmth to your times in the water due to its GBS and polar lining for greater insulation. The hood also features penetrated neoprene at the ear areas and the Polar lining that makes a softer fit. Ideal for all your winter surf adventures. Features Mesh Neoprene GBS (Glue Blind Stitched) Extended Neckflap Polar Lining