Alpinestars Tech-1 Z v2 Racing Shoes - SFI 3.3The latest version of Alpinestars' professional level Tech 1 Z v2 shoe introduces an all new sock construction for the snuggest, most natural fit in a racing shoe. The sock like fit allows for a super lightweight shoe and features a contoured shape that is ergonomically proportioned to the shape of the foot. This creates unsurpassed comfort while seated in the cockpit, reducing driver fatigue. Inside the shoe, an ergonomic footbed maintains a natural