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Alpinestars Bio Armor Jacket Compatibility

Men's Bio Armor Jacket Compatibility:

Men's Jacket Size: Alpha Men's Jacket Size: Euro

Armor Kit Size
XS 44 SM
SM 46 SM
MD 48 LG
LG 50 LG
XL 52 LG
2XL 54 LG
3XL 56 LG
4XL+ 58+ LG

Women's Bio Armor Jacket Compatibility:

Women's Jacket Size: Alpha Women's Jacket Size: Euro

Armor Kit Size
XS 36 SM
SM 38 SM
MD 40 SM
LG 42 SM
XL 44 SM
- 46 SM
2XL 48 LG
3XL+ 50+ LG

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How to Measure

  • C Chest
    Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.
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