Alpinestars Tech-1 Z v2 Racing Shoes - SFI 3.3 Size:8 The larger 4mm hole is

The larger 4mm hole is used with Bell SRV-style shields

through the Data Hub

12 gallon model pictured

Full floating arms are combined with ergonomically placed arm

Breathable panels are added to the side

Alpinestars Tech-1 Z v2 Racing Shoes - SFI 3.3 Size:8 The larger 4mm hole isThe 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