95% Polyester, 5% Spandex. Hook and Loop closure. Mens quick dry swim trunks with breathable, soft and lightweight material Hook and loop closure with ties to accommodate any movement, no elastic waistband. Featuring convenient side pocket with drainage vent for little things storage Inner mesh lining keep you comfortable and safety while enjoying in the water.XS, S, M, L, XL, 2XL, 3XL, 4XL