Description The Trooper 2Vi® SL Mips is the ultimate slalom helmet. Stronger, lighter and better compared to its predecessor, this is a genuine game changer. This helmet is supplied with a removable Slalom Chin Guard in powder coated steel. The evolved version features our revolutionary 2Vi® technology. 2Vi® is a high-performance helmet technology platform developed by Sweet Protection offering an advanced integration system of helmet shell, shock absorbing liner and the Mips brain protection technology, setting a new industry standard for performance and comfort.