Made for having fun in the water! The extremely durable, chlorine-proof and stylish Ondulation Swim Jammers for boys from the arena Performance line are 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 of the fabric was optimized to save energy, reduce CO2 emissions and minimize water usage. Finished with a comfortable front lining, the adjustable internal drawstring guarantees an excellent fit. Side length: 36 cm. The fabrics OEKO-TEX STANDARD 100 certification means it has been tested for harmful substances and is harmless to human health and the environment.