The 1.5 Alpha (named after the triathlon swim distance) offers a wetsuit swim like you"ve never experienced before. Refined and re-engineered in consultation with the world"s best triathletes.The 1.5 Alpha retains the Freestroke 3 System paneling but now with #44 cell Yamamoto Neoprene panels through the chest, back, arms and shoulders. Plus the addition of our exclusive Infinity Skn lining these panels the Alpha offers an unrestricted range of motion - so much so, many people say it doesn"t even feel like they"re wearing a wetsuit.The 1.5 Alpha is the ideal wetsuit for those looking for a swim advantage without compromise. The 1.5 Alpha offers the highest quality materials, performance features and fit. Designed with seam reduction for larger areas of neoprene that increases flexibility. We have also included another exclusive, Aerodome 2, allowing for great flexibilty and comfort.