The ultra comfortable, stretchy and sporty arena Boys' Logo R Jammers fit like a second skin. They are part of the comfortable arena Feel line and are perfect 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 salt water-resistant Waterfeel Eco fabric with integrated UPF 50+ UV protection. This 4-way stretch fabric ensures a perfect fit, maximum freedom of movement and outstanding comfort. It is the eco-friendly version of arena's Waterfeel fabric and is made with recycled polyamide. These knee-length swim shorts measure 14.2 inches at the sides and are equipped with front lining for additional comfort and an inner drawstring for an excellent fit.