Alpinestars Boa Leather Jacket
Sizing Information:
Choose a jacket size based upon what you normally buy in men’s clothing. If you want to measure yourself to help pick a size, have a look at Alpinestars’ sizing chart. And for those who may have a bit of a belly, we encourage you to consider our estimated max belly sizes listed below. Choose a jacket size that will accommodate both your chest and your belly.
| Alpha Size | Max Chest Size (inches) | Max Belly Size (inches) |
| Small | 38-40 | 35 |
| Medium | 40-42 | 38 |
| Large | 42-44 | 40 |
| XL | 44-46 | 42 |
| XXL | 46-48 | 44 |
| XXXL | 50-52 | 46 |
| XXXXL | 52-54 | 48 |
This jacket is perfect for riders that don’t want to blend in. This is a high quality leather jacket with a unique snake skin style that will stand out in a crowd. The jacket will work well in cool to mild temperatures with perforated leather panels under the arms for some cooling on warmer days and a thermal vest liner that can be installed for cooler rides. The jacket offers a good amount of protection. The shoulders and elbows are equipped with removable CE approved armor. There is also foam padding in the back and chest that can be upgraded to the optional CE approved back and chest protectors (see links below). For a customizable fit, the waist and wrists of the jacket have Velcro adjustments. A full circumference zipper allows you to attach the jacket to compatible Alpinestars pants. Take the “View Larger Pictures” link above to see some good closeups of this jacket and its features.









