Alpinestars Speedforce Shoe Size:11 By fully integrating the electronics

By fully integrating the electronics into the vest itself

Lined with a silicon bead

Designed with the latest technology and premium materials

High-Quality Materials: Features a fiberglass composite shell

Alpinestars Speedforce Shoe Size:11 By fully integrating the electronicsA riding shoe which has the looks and feel of a running shoe, the Speedforce delivers protection and performance in a casual styled shoe; while the innovative midsole offers running shoe' comfort; perfect on and off the bike. FEATURES MATRYXis a strong material that is extremely abrasion and tear resistant, lightweight and is fully customizable in both weight and thickness, allowing it to be modified to best suit the different positions on the shoe.