Waist size according to your choice: 
1 feet = 30,48 CM

(Example: Your waistline is 2.2 feet, then select the L code) 

[S] (for waist circumference 1.8-2.0 feet) 
[M] (for waist circumference 1.9-2.1 feet) 
[L] (for waist circumference 2.1-2.3 feet) 
[XL] (for waist circumference 2.3-2.5 feet) 
[XXL] (for waist circumference 2.5-2.7 feet)