size M:waist 27.5"-29.1",70cm-74cm size L:waist 29.1"-30.7",74cm-78cm size XL:waist 30.7"-32.3",78cm-82cm size XXL:waist 32.3"-33.8",82cm-86cm Colorful men briefs underwear. Choose one or two size bigger than you usually wear The soft elastic waistband in proper width is comfortable,and can be fixed well,without tightness,sliding, or rolling.Ultra soft and breathable stretch mesh blend. A small amount of spandex helps to keep shape,so as to provide better support and color retention. Simple is not just simple. Choose them to become sexy.