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. The Arena Kiki Pro Challenge Back Swimsuit is a great choice for club or fitness swimmers that require a durable swimsuit for training sessions. Their eye catching print ensures that you will stand out from the crowd on your next visit to the pool.  The challenge back has thin shoulder straps with a wide back opening, giving you maximum freedom of shoulder movement an excellent feel of water and reduced drag. Non-restrictive straps, make it perfect for all training drills, its high leg cut provides style and comfort for you during your long hours in the pool. This swimsuit is made with Arena's MaxLife, 100% polyester fabric. This material is an exclusive from Arena MaxLife Eco which is the evolution of arena’s premium fabric for regular and intensive swimmers, delivering maximum resistance to chlorinated water. While maintaining the same benefits as the standard fibres used in the original MaxLife, the new ecological version features more than 50% recycled polyester. Made from PET bottles and the production process has been optimized to save energy, reduce CO2 emissions and minimize water usage. Its construction is based on specifically engineered PE yarns, providing elasticity and combining an exceptional fit with power retention performance.Additional features include its quick drying properties and 50+ UV protection, this is the perfect suit for the intensive swimmer   Features: Challenge Back design Maxlife Eco PBT construction Chlorine Resistant 50+ UV protection Quick drying Front Lining Medium cut leg, 100% Polyester (53% of which is recycled)