Sweet Protection Ascender MIPS is a triple certified ski mountaineering helmet. The Ascender MIPS helmet is a light, and our most packable helmet developed for ski-mountaineering. To be used both uphill and downhill. It is triple certified; US alpine skiing helmet, European alpine skiing helmet and certified for mountaineering. The result is a truly innovative and groundbreaking product designed for those venturing deep into the mountains. Equipped with MIPS.