Our items have slightly oversized fit. We suggest you go with your usual size.
XS/S size range run as EU size 34-38
M/L size range run as EU size 38-42
O/S - One Size (oversized, intended to suit EU size XS-L)
Measurements are standard and are based on a general sizing chart. If you are unsure of fit, please do not hesitate to contact firstname.lastname@example.org