Z3R0D MAN SLEEVELESS FLEXThe FLEX triathlon wetsuit addresses triathletes mostly looking for flexibility who want a natural stroke as if they were not wearing a wetsuit. This sleeveless option will satisfy triathletes from a strong swimming background, beginners with a low budget or fearing the restrictive feeling of a sleeved wetsuit and triathletes racinf in warmer water temperatures. This wetsuit is entirely made in Yamamoto #38 & #39 neoprene, which thicknesses vary