S-this size is designed for men who normally use a size s in other warmwear and that its height is not more than 175cm. Size according to the usual sizes.
M- This size is designed for men who measure from 176cm to 180cm and normally use a size S or m in their shelter garments.
L- This size is designed for men who measure from 180cm and normally use a size s m or higher in shelter garments.