Alpinestars Size Charts + Fit Tips

All size charts are in inches. 

Sequence Chest Protector XS-SM MD-LG XL-2XL
CHEST 33-38 38-42 42-46
WAIST 28-32 32-37 37-42

Stella Bionic Jacket Small Medium Large
CHEST 32-34 34-35.5 35.5-38
BUST 34-35.5 35.5-37 37-39
WAIST 26-27.5 27.5-29 29-31