The stylish, extremely durable and chlorine-proof Womens Marbled Challenge Back Swimsuit from arena Performance line is ideal for both competitive and regular swimmers who swim frequently in the pool. The highly chlorine-resistant MaxLife Eco fabric with integrated UPF 50+ UV protection is extremely quick-drying and long-lasting. This eco-friendly version of arenas 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. The open back, thin straps and high-cut leg provide maximum freedom of movement, excellent feel of the water and reduced drag. 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.