Hyperflex AMP 3 Wind Series 5/3mm Mens Front Zip Fullsuit, Black/Blue The new Hyperflex AMP 3 Wind Series 5/3mm men s Front Zip Fullsuit, Black/Blue is the most flexible and warmest wetsuit we have ever produced, special for wind sailboats crew members. The AQ3 thermal lined interior fabric maintains the main warmth without sacrificing flexibility. If you are exposed to very low temperatures and very cold winds, than this 5.3 mm. thermal linen is going to protect you against the weather. The A.D.S. aqua vent drain system helps to flush as much water as possible, a good way to proceed and enjoy the durability of this wetsuit. This Hyperflex AMP 3 Wind Series 5/3mm men s Front Zip Fullsuit, Black/Blue is the perfect choice for your water activities.