The extremely durable and chlorine-proof arena 50th Anniversary Swim Briefs for men are ideal for both competitive and regular swimmers who swim frequently in the pool. This stylish design is decorated with a motif inspired by the original 1973 logo in celebration of arena's fifty years of passion for water sports. Equipped with front lining for additional comfort, the adjustable internal drawstring guarantees an excellent fit. Side length: 7 cm. 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 arena's MaxLife fabric contains at least 50% recycled polyester from PET bottles. Plus the production process of the fabric was optimized to save energy, reduce CO2 emissions and minimize water usage. Every component of the STANDARD 100 by OEKO-TEX® labeled 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.