ALWAYS CHECK THE SIZE CHART (IN IMAGE SECTION ABOVE). SIZES PROVIDED ARE UK SIZES, BE SURE TO MEASURE AND CHECK THE SIZE CHART BEFORE ORDERING. Arena Team Challenge Swimsuit is the ideal swimsuit for intense training days and regular pool use. Made with Arena's 100% chlorine resistant, MaxLife Eco fabric, an innovative swimwear long-lasting performance material. Made with at least 50% recycled polyester from plastic bottles, this durable material has built-in shape retention power for an amazing fit and 50+ UV protection.  The production process was optimized to save energy, reduce CO2 emissions and minimize water usage. This advanced swimwear fabric keeps it shape longer than other materials and fits like a second skin. Hydrodynamic in the water, quick to dry for post-swim comfort and integrated UV protection for safe swimming under the sun. Experience total ease of movement in the water with the Challenge Back featuring thin straps, which helps give maximum freedom of shoulder movement and reduced drag for improved glide.  High cut leg design.  Features: Quick drying Swim Tech Back Style Clean styled design Maxlife Eco PBT construction Medium cut,  50+ UV protection Four colours available 100% Polyester (53% of which is recycled)