Quick Dry --- The men's swim trunks are made of polyester fabric, super easy to dry and lightweight, flexible and elastic, comfortable and durable to wear, make you dry fast in minutes after your water sport Elastic Waist --- This swim bathing suit features with elastic waist with adjustable drawstring, solid colors and classic design, providing you the maximum comfort at waist and convenience in swimming About Package --- 1×Swimsuit, 1×Swim Cap. The swimming cap is packed with the bathing suit, also made of soft polyester fabric, elastic and quick easy on-and-off, avoiding your messy hair in water Suitable Occasions --- The quick dry swimwear is perfect for water sports and activities, such as all water sports and activities, such as swimming, diving, surfing, beach or sun bathing etc Warm Tips --- Machine washable and hand washing are both available for this swim boxer brief. Please check your size with our SIZE CHART before you buy it