Alpinestars Tech-1 Z v2 Racing Shoes - SFI 3.3 Fuel Cells The Solo 2 then locates

The Solo 2 then locates its GPS position

DOT 4 and DOT 5

Detent style pivot fits 2006 and earlier helmets only

durability and ventilation

poly-fabric inner lining that is highly breathable and comfortable

Alpinestars Tech-1 Z v2 Racing Shoes - SFI 3.3 Fuel Cells The Solo 2 then locatesThe 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