Maybe you're using a pack that doesn't have a built-in helmet storage slot. Or maybe you're going on a ski vacation, and just want a versatile helmet storage case. Whatever the reason may be, the Mammut Helmet Holder Pro is a versatile storage bag that attaches to virtually any backpack. Four elastic hooks and a daisy chain on the bottom of the bag hook to a wide array of packs and bags, while a rugged outer material protects your helmet from scratches and bumps. Gone are the days when you had to compromise safety because your pack was too full-- with the Mammut Helmet Holder Pro, your helmet has a dedicated spot on your pack.