Mens Quick Dry Swim Trunks : 100% High quality polyester, wrinkle free, quick-drying, breathable, lightweight, safe, breathable, comfortable and skin-friendly fabric, can direct contact to skin. Mens Board Shorts With Mesh Lining Design : All of our swim trunks are made with our comfort technology quick dry fabric with mesh lining. Elasticized waistband with drawstring can stretch and fixed the waist for comfort and adjustable.