M1 is equal to 2XL, M2 is equal to 3XL, M3 is equal to 4XL and M4 is equal to 5XL
The Women's Pack Windbreaker has a relaxed fit.
Bust: Measure Under you arms, around the fullest part of your chest.
Waist: Measure Around your natural waistline, keep the tape a bit loose.
Hips: Measure around the fullest part of your body at the top of your leg.
Need sizing help? Schedule a personal shopper appointment.