Size: M,L,XL,2XL
M: waistline 25.6-31.5 in/65-80cm, Suggest weight 99-121 lbs/45-55kg
L: waistline 29.5-35.4 in/75-90cm, Suggest weight 121-143 lbs/55-65kg
XL: waistline 33.4-39.4 in/85-100cm, Suggest weight 143-165 lbs/65-75kg
2XL: waistline37.4-43.3 in /95-110cm, Suggest weight 165-198 lbs/75-90kg