- Size: L • Quick-drying elastic fabric: Made of 100% polyester, these swim trunks are lightweight, breathable, and keep you dry and comfortable all day long. • 2-in-1 compression lining: With a lining of 92% polyester and 8% spandex, it offers softness and breathability, preventing skin chafing. • Multi-pocket design: Includes two side zippered pockets and a hidden pocket to securely store personal items. • Elastic waistband with drawstring: Flexible and secure fit for water activities, providing worry-free comfort. • Versatility: Ideal for swimming, surfing, beach volleyball, water skiing, sailing, hiking, fishing, and more.