The MM93 Track Leather Jacket is constructed from bovine leather for unsurpassed abrasion and tear resistance. Fully optimized for use with or without Tech-Air® 5, Alpinestars world leading electronic Airbag Safety System, the MM93 Track Leather Jacket is equipped with strategically positioned vents and a detachable thermal liner, allowing riders to tailor the jacket to the elements for effective climate control. This jacket also incorporates Alpinestars Nucleon Flex Pro protectors for effective impact protection.