Ultra comfortable and stylish! Enjoy the water in these extremely stretchy Blast Swim Jammers for men that fit like a second skin. They are part of the comfortable arena Feel line and are ideal for fitness and leisure swimmers doing any water activity at the pool, at the beach and in any other body of water. Made of chlorine and saltwater-resistant Waterfeel Eco fabric with integrated UPF 50+ UV protection, this 4-way stretch fabric ensures a great fit, maximum freedom of movement and outstanding comfort. It is the eco-friendly evolution of arena's Waterfeel fabric and is made with recycled polyamide. Equipped with an adjustable internal drawstring for an excellent fit and a soft front lining for comfortable coverage. Side length: 17.7 inches. The OEKO-TEX® STANDARD 100 certification of the fabric means that it has been tested for harmful substances, ensuring it is harmless to human health and the environment.