The Under Armour Men's UPF 40 Board Shorts in grey are designed for surfing performance with a loose fit size 30. Made from polyester material, these board shorts feature a durable lining for comfort in the water. Easy to care for with machine washable instructions, this swim bottom style offers both style and functionality for men looking for high-quality swimwear. The Under Armour brand ensures both quality and performance for any surfing activities.