ALPS Mountaineering Zephyr 1 Backpacking Tent Free Standing 2 Pole Design with 7000 Series Aluminum Poles Polyester Fly resists UV Damage and Stays Taut Factory Sealed Fly and Floor Seams Give Best Weather Protection Single Door Design Minimizes Weight While Still Allowing Great Ventilation With Entire Mesh Walls and Adjustable Fly Vent Easy Assembly with Pole Clips that Quickly Snap Over the Tent Poles