Komperdell Womens Back Protector Flexfit Black Bordeaux" An ultra lightweight protection. These very lightweight models feature an automatic width adjustment system that has already proven reliable in level 3 safety vests. The back protector vest offers near complete 360 protection and automatically adjusts to the wearer's size. Multi layer back protector Cross 6. 0, made from adaptive dual density foam, certified EN 1621 2: level 2, the standard for protective clothing against mechanical impacts for