The Trekking Pole Vestibule, a unique NEMO innovation, zips directly to your fly and utilizes one of your trekking poles for support. It creates a vestibule with a far bigger volume and floor area than the Standard Vestibule, but with very little additional weight. Besides sheltering more of your gear outside the tent, it also serves as an easier entry/exit. It’s a remarkably efficient way to add space to your tent if you’re already carrying at least one trekking pole. Ultralight Tekking