SHRED. Flexi Back Protector Lite is a back protector that offers maximum comfort so you can forget you’re wearing protection until you truly need it. By using SLYTECH™ Foam in the FLEXI hexagon structure, they’re especially thin and light while also offering unrivaled flexibility and certified impact energy absorption performance (Level 1). Turn to the SHRED. Flexi Back Protectors for unconstrained confidence that enables you to push your limits, feel like a pro and have fun.