Seaskin Wetsuits for Triathlon is made from Jako SCS neoprene. As we all know, most triathlon wetsuits are made from Yamamoto #39 SCS neoprene, it's super stretch, limestone neoprene, durable. And the reason why we choose Jako neoprene is there are some same features between Jako and Yamamoto, Jako is also super stretch neoprene, also limestone neoprene and it's durable. Yamamoto neoprene is enpensive than Jako, and not all people can afford it. So, triathlon wetsuit made from Jako neoprene is the most cost-effective. Welcome to try and test our wetsuits.