Material: 82% Nylon +18% Spandex
Waist: M(26-30 inch),L(31-34 inch),XL(35-38 inch)
It would be better if hand washing in cold water.
Suggestion:It is the Asian size ,please choose one or two size larger than the CA size.
Men's Low Rise Summer Swimwear Trunks Boxer Brief Front Tie - 6SZO10F44