Men's Casual Sport Running Loose Shorts Underwear Pants 100% cotton, very soft fabric Covered elastic waist with interior drawstring Suitable for home,running,basketball,yoga and other outdoorliving The size for all underwear products are asian size. Please pay a attention before you make order. If you shopping the underwear from U.S.A or EU brands,should be choice one size up. Shipped via EUB,15 days or so delivery.