Mens swim trunks board shorts are made of quick dry polyester fabric which can keep you feel cool all day. Lightweight, breathable, comfortable, skin-friendly and soft. Elastic waistband with drawstring can adjust the waist tightness for comfort. Two side mesh pockets can be expanded to accommodate your cell phone, wallet, key or other small items. Perfect for casual daily wear or outdoor sports recreation in Summer. Offer you a comfy experience in hot weather. S, M, L, XL, 2XL, 3XL, 4XL