ZONE3 Men's Aspire Wetsuit, Black/Red, MT Premium SCS Yamamoto fabrics designed to ensure superb all-over body flexibility, comfort and performance. Aqua dynamic Nano coating applied to the neoprene meaning that there is almost no drag through the water. Spring loaded shoulder design to generate a faster swim stroke, ensure maximum reach and to conserve energy. Maximum 5mm neoprene allowed under ITU regulations from the chest down to the knees Downwards YKK zip to enable the suit to go on and off easily