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 extremely durable and chlorine-proof arena 50th Anniversary Super Fly Back Swimsuit is ideal for both competitive and regular swimmers who swim frequently in the pool. This unique design is decorated with a motif inspired by the original 1973 logo in celebration of arena's fifty years of passion for water sports. The open back, thin straps and high-cut leg provide maximum freedom of movement, excellent feel of the water and reduced drag. An iconic heritage print from arena with an maximum durability and 100% chlorine-resistant MaxLife Eco fabric with integrated UV protection UPF 50+ is extremely quick-drying and long-lasting. This eco-friendly version of arena's MaxLife fabric contains at least 50% recycled polyester from PET bottles. Plus the production process was optimized to save energy, reduce CO2 emissions and minimize water usage. Every component of the STANDARD 100 by OEKO-TEX® labelled fabric has been tested for harmful substances, ensuring this article is harmless to human health. The test is conducted by our independent OEKO-TEX® partner institutes based on our extensive criteria catalogue. Ideal for both competitive and regular swimmers who swim frequently in the pool Key Features: High-cut leg Thin Straps and Open Back Maximum freedom of movement and reduced drag 100% Chlorine Resistant Extreme durability MaxLife Eco Fabric UPF 50+ UV Protection Quick Drying 100% Polyester (eco-friendly fabric: 51% of Polyester is recycled)