The extremely durable and trendy arena Crazy Challenge Back Swimsuit is perfect for regular and competitive swimmers. The highly chlorine-resistant MaxLife Eco fabric with integrated UPF 50+ UV protection is extremely quick-drying and long-lasting. This eco-friendly evolution of arena's MaxLife fabric contains at least 50% recycled polyester, obtained from PET bottles. Furthermore the production process of the fabric was optimized to save energy, reduce CO² emissions and minimize water usage. The open back of the swimsuit in combination with thin straps and a high-cut leg provide maximum freedom of movement, excellent feel of the water and reduced drag. Equipped with comfortable front lining. Every component of the STANDARD 100 by OEKO-TEX® labelled fabric has been tested for harmful substances, ensuring this article is harmless for human health. The test is conducted by our independent OEKO-TEX® partner institutes based on our extensive criteria