You can compare the sizes below with any similar garment that you own. If you prefer, you can click here to check body measures.
The model is 188,5 cm / 6'2" and is wearing a size medium.

 

 
S M L XL

A WAIST (cm)

66

70

74

78

A WAIST (Inches)
26,0
27,5
29,0
30,5