Smith Quantum MIPSIf you spend more days on the mountain than off, the Smith Quantum is your helmet for bomber protection season after season. In addition to a hybrid shell that adds durability, the Quantum's secret comes from using Koroyd throughout the helmet, a fully vented material that absorbs more energy in a crash than traditional foam construction alone. Add MIPS for increased safety during angled impacts, and you have our most advanced helmet design. Since all