Alpinestars Women's Riding Jacket Size Guide

 SIZE CHEST HIPS WAIST
XS 30.75 - 32.25" 33.75 - 35.5" 24.5 - 26"
S 32.25 - 34" 35.5 - 37" 26 - 27.5"
M 34 - 35.5" 37 - 38.5" 27.5 - 29.25"
L 35.5 - 37.5" 38.5 - 40.25" 29.25 - 31"
XL 37.5 - 40" 40.25 - 42.75" 31 - 33.5"