To provide men's underpants extremely facilitating pulling the penis out and excellent in fashionability.

The men's underpants have on the front center of the main body thereof a front unclosing open obtained by extending a lower end to a crotch part, cutting the upper end to a length of about the middle of the main body and narrowly superposing right and left cloth materials on each other. An almost inverse triangle covering body covering the front unclosing open is arranged on a frontal side extending from the elastic cord open of the main body to the crotch part. A periphery excluding the lower half right and left of the covering body is sewn on the main body, and a cross sewn part is set between an upper half and a lower half.