Quick Dry Fabric: Men's swim trunks with compression liner keep you dry and flexible, and are made out of skin-friendly and breathable fabric. These swimming trunks ensure comfort while helping to improve mobility New Generation Lining: Say goodbye to the mesh lining. These men surf board shorts have a new generation of compression inner which is made of 90% polyester and 10% spandex. The soft liner protects your privacy, with no chafing Full Elastic Waist with Drawstring: Elastic waistband with drawstring can be stretched and fixed for comfort and an adjustable waist. You could adjust freely to make sure the board shorts swimwear will not fall off when you're out or in the water Practical Pocket: Mens swimming shorts have a side cargo pocket, which can easily put in keys, cards, and phones. Fashion design is making ideal for outdoor activities Various Occasions: Nonwe mens bathing suit with compression liner suitable for any occasion, such as swimming, pool party, surfing, daily casual wear, fitness