Dimensions:
The pants have a very good stretch but correspond to standard dimensions. The easiest way is to measure the width of the belt of your existing underwear (1/2 of the circumference) and order accordingly.
M - product size (1/2 of the circumference) 36 cm
L - product size (1/2 of the circumference) 38 cm
XL - product size (1/2 of the circumference) 41 cm
XXL - product size (1/2 of the circumference) 43 cm