Naturally keeping runners cool and providing the ultimate comfort and support, the Orca 2016 tank top is a premium performance tank for competitive triathletes. Ideal for endurance on long races, the top is comfortable and lightweight with breathable, stretchable fabric to keep athletes cool and streamlined for a better performance. Nano-crystal technology keeps the body cool and promotes fast wicking of sweat on the back panels of the top. Silicone back neck label reduces irritation.