The Taurus OF (Outfitter) Series has 2 key upgrades: oversized #10 door zippers and a heavy-duty nylon oxford floor. The #10 door zippers will give you a lifetime of smooth operation and the oxford floor, which is about twice the weight of normal nylon floor material, will greatly increase the durability of your tent. For poles, we use aircraft alloy 7000 series aluminum that is strong and lightweight. Assembly is really easy with the tent clips that just snap in place over the poles. The polyester fly and oxford floor are urethane coated, with factory-sealed seams for maximum weatherproof. The 2 doors make getting in and out of the tent much easier, especially in the middle of the night when you need to take a quick "break". You also get 2 vestibules (one over each door) that you can use for extra gear storage. The vestibules also serve as automatic guy-out points when the weather gets a little nasty. The fly buckles to the tent, offering a much more secure attachment when compared to the elastic cord. Mesh roof vents increase ventilation and improve star gazing.