Stella Dyno Leather JacketTech Air 3 ready Stella Dyno Leather Jacket is Alpinestars modern interpretation of a heritage jacket, and combines premium leather and a regular fit to create a jacket that looks great, on and off the bike, in any setting Constructed from 1. 0 1. 2mm bovine leather for the optimum blend of light weight, supple and abrasion resistant Leather is dip dyed, and the oils used during this process results in a more natural finish with an overall softer