87% Nylon. 13% Spandex Imported Pull On closure Hand Wash Only Kroyy men's underwear is silky smooth. Super soft products for you throughout the year. 87% nylon. 13% spandex. The fabric of the underwear is very soft. light and smooth. when you wearing these briefs it feels like you are wearing no underwear at all. Ultra pouch design adds more charm onto the classic bikini brief while provides more space for men's private parts without squeeze out or constraint. Low rise brifes look super…