CHECK THE SIZE CHART (in the image section above) The new Aqua Sphere women's Racer V3 Performance Triathlon wetsuit has improved ergonomic cutting and strategically placed 1.5 mm Yamamoto 40 panels.The Racer provides the best fit for those athletes that want comfort, warmth, and speed when purchasing a wetsuit.Designed to maximize buoyancy, reduce drag, and maintain a streamlined body position, the Racer wetsuit is the optimal wetsuit.This is Aqua Sphere wetsuit contains a lot of the technology found in more advanced wetsuits, it is designed for mid-level triathletes and Open water swimmers. Features €š¬¢ Bio-Stretch Zone: Strategically placed 1.5mm panels Yamamoto 40 Neoprene (under arms and lower back). €š¬¢ 5mm Aqua Drive core body panel maximizes buoyancy and reduces drag. €š¬¢ 4mm Aqua Drive lower back panel for streamlined body position. €š¬¢ Thermo-Guard technology on chest, shoulders and legs to retain body heat. €š¬¢ Quick-release ankle transition panels (horseshoe-cut design) for improved transition time. €š¬¢ Easy-pull deep back zipper. €š¬¢ Aqua-Flex collar seal to keep water out and prevent chaffing and restriction. €š¬¢ SCS-Coated Yamamoto 39 Super stretch, Neoprene for ultimate comfort. €š¬¢ FINA Approved for open water swimming €š¬¢ UV Protection.