FLEXIBLE FABRIC - highly flexible mesh fabric for a large amount of stretch for an exceptionally comfortable fit . SPLIT SIDE - extreme split sides extreme design gives more space for your legs's freedom that will make you hot and sexy. Low rise, very smooth fabric, wearing like nothing. UNLINED - this shorts are unlined with highly elastic waistband . Semi-see through underpants Occassion - Perfect for use as lounge shorts, running shorts, underwear or boxers, provate gym, fun party . US size is made, but please consider one size up if you pefer for more loose fit . Size Guide -M: waist - 29.9"-34.6'' ;L: waist - 33.5''-37.4'' ;XL: waist - 35.4''-39.4'' ;2XL: waist - 37.4''-43.3'' ;