I'm afraid that you regard the size as Euro Size and US Size.please do not follow system size chart !!!
if you want make a very correct choice you should choose by the size chart at the Second image !!!

>available: M, L, XL, 2XL,3XL
>(PANTS SIZE) Waist / Hip/ Length/
S: 66cm/ 89cm/ 98cm/
M: 70cm/ 93cm/ 99cm/
L: 74cm/ 97cm/ 100cm/
XL: 78cm/ 101cm/ 101cm/
2XL: 82cm/ 105cm/ 102cm/
3XL: 86cm/ 109cm/ 103cm/

Note:
1.Due to the difference between different monitors,the picture may no