Dyno Leather JacketDyno 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 Constructed from 1. 0 1. 2 mm 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 superior overall softness and a softer feeling against the skin Detachable thermal