The O'Neill Hybrid Men's Drawstring Swim Shorts in Blue, size 40, are made of a polyester blended fabric that is machine washable. These swim shorts feature a striped pattern and a drawstring for a comfortable fit. They are suitable for various activities such as training, surfing, and recreational use. The swim shorts are designed for men and have a swim bottom style. The O'Neill brand is known for its beach-themed clothing.