The NRG triathlon suits have the key features beginners and veterans are looking for. Ultra-light neoprene – the lightest on the market, super soft exclusive Speed Skin material, glued and sewn seams for durability, heavy duty #10 YKK zipper with metal zipper head, adjustable Velcro collar locks out water, skin-in collar to prevent scooping, reinforced spot taping in stress areas, mid-calf leg opening and easy-out zipper pull for speedy transitions, anatomical cut pattern for comfort, internal key pocket, 5mm front and 3mm back for buoyancy, warmth and efficient movement through the water.