Laxier Men Boxer Briefs Shorts Bulge Pouch Soft Underpants Mens Trunks Mesh Underwear for Male Pack of 2 Asia Size: M(waistline:66cm~69cm/25.98"~27.16") equal to US size: S Asia Size: L(waistline:70cm~73cm/27.55"~28.74") equal to US size: M Asia Size: XL(waistline:74cm~77cm/29.13"~30.31") equal to US size: L Asia Size: XXL(waistline:78cm~81cm/30.70"~31.89") equal to US size: XL The size chart is based on Chinese measurement not US standards, so suggest you order one size up for best fit.