Waist circumference should be measured around your belly button. Size Inch Centimeter M 31.9 - 36.2 81.0 - 91.9 L 36.3 - 40.6 92.2 - 103.2 XL 40.7 - 45.0 103.4 - 114.3 2XL 45.1 - 49.4 114.5 - 125.5
