SIZE WAIST (cm) HIP (cm) FRONT RISE (cm) BACK RISE (cm)
S 80 103 32.4 42.4
M 85 108 33 43
L 90 113 33.6 43.6
XL 95 118 34.2 44.2
2XL 100 123 34.8 44.8
3XL 105 128 35.4 45.4
4XL 110 133 36 46

These are the trousers' own measurements, not body measurements. The waistband is elasticated with a drawstring. If you are between two sizes, choose the larger one.