Gill Men's Hurakan Shorty Wetsuit 4603. Features: Sailing specific design. Glideskin neoprene collar. 2.5mm fine mesh neoprene on chest and back panels reducing wind chill and repelling water, increasing overall warmth. Smoothskin neoprene cuffs and leg seals for soft comfort. Fabric: 2mm nylon faced neoprene. 2mm Innospan® ultra stretch side panels. 2mm small diamond neoprene reinforcement. 2mm Glideskin neoprene collar. 0.5mm Smoothskin seals.