ONE SIZE: suitable for weight 50-80kg.Material: polyester 85%Quick DryOur men's swim trunks made of lightweight nylon fabric, normally it noly takes a few minutes to dry, keep you comfy and flexible workoutElastic Waist Mens short swim trunks combined a soft elastic waistband with adjustable drawstring that won't feel tight and fit your figure perfectlyMesh Liner Inside Our mens swimsuit with soft mesh liner ensure sand won't get into shorts and keep off sweat sticking, affecting workoutOccasionOur stylish swim trunks are a comfy option for your various summer beach activities, including swimming, beach volleyball, surfing and more. Bringing you a cool summer!!!