Chubbies Swim Trunks Pineapples Classic Drawstring Lined Swim Shorts in size Medium are perfect for lifeguards, surfers, and recreational swimmers. Made of a blended fabric of 92% Polyester and 8% Spandex, these swim shorts are machine washable and have an elastic waist with a drawstring for a comfortable fit. They feature inside pockets, a back pocket, and are above-the-knee in length. The swim shorts are multicolored with a pineapple pattern and are lined with 92% Polyester and 8% Spandex.