100% polyester. Zipper closure. Machine washable at 30 degrees. Genius Store. These quick-drying men's shorts are made from an improved fabric that is soft and comfortable, and the lining is elastic, so you won't feel restricted no matter how much you move. The quick-drying fabric doesn't feel stuffy when you exercise, which helps wick away sweat and has a fast-drying feature. The lining has been improved to make the entire body more flexible. You can feel the difference from ordinary shorts when you touch them, which gives you a higher quality experience. The fabric is thin and comfortable without chafing or other unpleasant sensations. The side of the shorts has an additional slanted pocket, and the inner lining has a well-cut and sturdy inner pocket that allows you to store your personal belongings. The drawstring in the same color at the waist can be adjusted to your body shape for maximum comfort at the waist. The towel loop at the back is more convenient for movement, and the zippered pocket is better for security. These 2-in-1 shorts offer high comfort, a classic and fashionable style, and are suitable for many occasions such as loungewear, outdoor running, sports, and fitness. They couldn't be more suitable for any occasion. They can be washed by hand or machine, have high colorfastness, won't fade, won't deform, and are durable.