Alpinestars - Tech-1 T v3 SFI-5 Racing Shoes A premium Alpinestars racing shoe that integrates a sock like heel collar within a lightweight and eyecatching chassis to create a comfortable top-of-the-line shoe. Fully Stocked and Ready-to-Ship here at RacingDirect! Get the Look: Alpinestars - Tech-1 T v3 SFI-5 Racing Shoes