The SC-1/FB2 is a CE Level 2 certified back protector insert developed by SAS-TEC in Germany. Made from Tripleflex viscoelastic foam, it is engineered to flex with movement and temporarily stiffen under impact, providing certified protection with ergonomic comfort. This insert features a low-profile design with integrated ventilation channels to support breathability and mobility. It's suitable for use in motorcycle jackets that include CE-approved back protector pockets. Compatible with select models from brands including Alpinestars, REV'IT!, Dainese, Klim, Scorpion EXO, BILT, FirstGear, Fly Racing, and Cortech. Please verify pocket dimensions before ordering to ensure compatibility.