The NWOT Chubbies The Roaring Times Jurassic Park 5.5" Classic Swim Trunks in men's size M are vibrant multicolor swim trunks made of polyester with a mesh lining for comfort. These swim trunks feature a classic bottom style and are machine washable for easy care. Perfect for recreational activities, the Chubbies brand adds a touch of fun and style to your swimwear collection.