Feel the speed in these extremely durable, chlorine-proof and stylish arena Performance Mens Asymmetrical Design Swim Jammer line that are ideal for both competitive and regular swimmers, who swim frequently in the pool. The highly chlorine-resistant MaxLife Eco fabric with integrated UPF50+ UV protection is extremely quick-drying and long-lasting. This eco-friendly evolution of arenas MaxLife fabric contains at least 50% recycled polyester, obtained from PET bottles. Equipped with a front lining. The adjustable internal drawstring guarantees an excellent fit. Side length: 45 cm. The Global Recycle Standard is an international, voluntary, third-party verified environmental standard which proves the recycled content of the material, its chain of custody and the compliance with social and environmental practices in the production chain.