Mine Mountain four season mountaineering tents are constructed with durable, lightweight Cordura fly and floor fabric supported by DAC Featherlite NSL poles and with Reverse Combi pole optimization for increased strength and weight savings. Key design features include dual doors and vestibules with a strong front vestibule pole, easy access roof vents, DAC Twist Clips for rapid set up, stake out loops for skis, flat-bladed multi-use stakes and generous storage pockets. Features: 4 season, free standing, lightweight mountaineering tents DAC Featherlite NSL pole system - featuring eco-friendly anodizing. DAC poles are super light and strong poles with press-fit connectors and lightweight hubs All DAC poles made from TH72M aluminum: the latest technology in lightweight tent poles featuring improved durability Hub/ pole design makes set up easy and increases head room Fly is durable, lightweight Cordura rip-stop with silicone treatment and polyurethane coating Floor is durable, lightweight Cordura rip-stop with silicone treatment and polyurethane coating Tent body is breathable nylon rip-stop with closeable mesh vents New DAC Twist and H Clips attach tent body to the pole frame for quick and easy set-up Double doors and vestibules on Royal Flush. Fly vents and two floor vents allow for venting in inclement weather Heavy duty reflective guyline and reflective webbing on tent corners for nighttime visibility Interior mesh pockets and multiple gear loft location options Storm flaps over vestibule zippers All seams are taped Lightweight, over-sized, Mega x-peg aluminum stakes included Mega stakes may be buried as deadman anchors Over-sized stake out loops (to be used with skis, ice ax, ski poles etc.) Gear loft loops included: Big Agnes gear loft sold separately PVC-free and solvent-free seam tape Trail weight refers to poles, fly and tent body. Packed weight includes poles, fly, tent body, stakes, guy lines, stuff sacks, instructions, and packaging. Fast Fly weight refers to the poles, tent fly and accessory Fast Fly footprint. Specs: Trail Weight: 7lb 7oz Packed Weight: 8lb 5oz Fast Fly Weight: 5lb 4oz Footprint Weight: 11oz Packed Size: 8" x 22" Floor Area: 46.5 sq ft Vestibule Area: 17 sq ft Peak Height: 45"