The Alpinestars Tech 1-Z v3 boots is a lightweight shoes designed to meet the demands of professional racers with a focus on offering the best fit and feel with optimal pedal control. Packed with innovative features to bring comfort to a new level including a fire resistant elastic collar and tongue, micro-porous padding in the heel and foot bed areas and a premium soft leather upper. Alpinestars innovative speed lace system coupled with the flat wire support system deliver a close and secure fit with ease of entry and the F1 derived sole offers the grip and feel required both on and off the track. SFI 3.3/5 homologated.