Your mountaineering pack is already full with rappel gear and avalanche safety gear. It's a good think Edelrid's Loopo Lite Harness can pack in your pant pockets if needed. The Loopo Lite features the same Dyneema webbing that alpinists rely on for safe catches and compact packing. Edelrid added a second tie-in loop to keep you centered on the rappel, which really comes in handy when you're rappelling with skis on.