Emerald Mountain SL tents combine the benefits of our lightest free-standing tents with roomy interiors and two opposing doors and vestibules. Emerald Mountain tents use DAC Featherlite NSL poles, which feature an Eco-Friendly anodizing process that significantly reduces the use of hazardous chemicals, as well as Reverse Combi pole optimization for increased strength and weight savings. We offer optional, extra large accessory vestibules for a palatial storage area. Design Features Free standing, three season, superlight backpacking tents DAC Featherlite NSL pole system - featuring “GREEN” anodizing. DAC poles are super light and strong 8.2mm poles with press-fit connectors and lightweight hubs. Fly is lightweight silicone treated nylon rip-stop with a waterproof polyurethane coating Floor is lightweight silicone treated nylon rip-stop with a waterproof polyurethane coating Tent body is lightweight nylon and nylon mesh Mesh body and double doors offer excellent cross ventilation Single hub/pole design makes set up easy and increases head room New DAC Twist Clips attach tent body to the pole frame for quick and easy set-up Two vestibules with opposing D-shaped doors Optional extra large, zip-on front vestibule with pole for extra space 11 Superlight, X-peg stakes included Three mesh floor pockets All seams are taped Footprint included Gear loft loops included: Big Agnes gear loft sold separately Tent stuff sack features external mesh pocket and strap to secure poles Free Footprint with every tent!! Included with every tent we sell is the manufacturer's official footprint.