This has to be my favorite Eureka 4-season tent. If I only had one tent for everything (yeah, right!), this would be the one. The geodesic dome shape (4 aircraft aluminum poles) is incredibly strong...maybe the strongest of all tent designs. Ripstop fabric with extra waterproof coating will stop rain, snow and ice and the unique guy-line arrangement gives me some flexibilty when anchoring this tent. Like my Alpenlite 2XT, this tent comes with two vestibules and the rear vesti can be accessed from inside the tent via a second/back door. I wasn't sure about all the vents at first but I'm finding that they make the tent a good choice for warmer weather, too! I've posted a bunch of pictures for this tent so take a look. If there is a down side to this tent...it's a bit heavy for a backpack. The fix for this?...I fall back on Boy Scout training and divide the components. I'll carry the tent body and my friend Sharon Sharalike gets the rainfly, poles and stakes. An outstanding tent!!!
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Eureka K-2 XT 8'11-Foot by 7'8 -Foot Three-Person Four-Season Expedition TentProduct Description: Eureka's most roomiest and popular 4-season tent, the K-2 XT geodesic dome-style tent is built to handle the most extreme and demanding winter conditions. It features two doors and two vestibules (measuring 12 and 6.25 square foot in area) for additional storage as well as protection from the weather when entering/exiting the tent. The larger front vestibule is hooped with an external pole for strength and uses quick-release buckles for an easy set up. The durable Stormshield Plus polyester fly includes a large, clear PU window panel. This tent has two doors (with windows), two scoop vents, vestibule vents, two large sidewall vents, and two roof vents. Eureka's patented High/Low doors vent from the top and/or bottom provide even more options for moderating air flow.
The 8.5 mm 7001-T6 aluminum frame (four poles) has a specially formulated cold weather shockcord, and the clips and post and grommet corner attachments promise a fast set up when faced with extreme weather conditions. All fly and floor seams taped and factory sealed for superior weather protection. Other features include reflective web, storm guyouts for nighttime visibility, 14-pocket organizer wall, four gear loft loops, and one flashlight loop
Specifications:
Area: 52 square feet plus 12- and 6.5-square foot vestibules
Floor size: 9 feet by 7 feet, 6 inches
Center height: 4 feet
Wall fabrics: 1.9-ounce permeable nylon/40D no-see-um
Floor fabrics: 1.9-ounce Taffeta nylon with 3000mm coating
Fly fabrics: StormShield Plus Ripstop Polyester Taffeta with 1800mm coating
Pack size: 8 by 30 inches
Weight: 11 pounds, 6 ounces
About Eureka Though the exact year is unknown, Eureka's long history begins prior to 1895 in Binghamton, New York, where the company still resides today. Then known as the Eureka Tent & Awning Company, its first wares were canvas products--most notably, Conestoga wagon covers and horse blankets for nineteenth century American frontiersmen--as well as American flags, store awnings, and camping tents.
The company increased production of its custom canvas products locally throughout the 1930s and during the 1940 and even fabricated and erected the IBM "tent cities" just outside Binghamton. The seven acres of tents housed thousands of IBM salesmen during the company's annual stockholders meeting, which had since outgrown its previous locale. In the 1940s, with the advent of World War II and the increased demand for hospital ward tents, Eureka expanded operations and began shipping tents worldwide. Ultimately, upon the post-war return of the GIs and the resultant housing shortage, Eureka turned its attention to the home front during the 1950s by supplying awnings for the multitude of mobile homes that were purchased.
In 1960, Eureka's new and innovative Draw-Tite tent, with its practical, free standing external frame, was used in a Himalayan Expedition to Nepal by world renowned Sir Edmund Hillary, the first person documented to summit Mt. Everest only six years earlier. In 1963, Eureka made history during its own Mt. Everest ascent, with more than 60 of its tents sheltering participants from fierce 60+ mph winds and temperatures reaching below -20°F during the first all American Mt. Everest Expedition.
For backpackers and families, Eureka introduced its legendary Timberline tent in the 1970s. Truly the first StormShield design, this completely self-supporting and lightweight backpacking tent became one of the most popular tents the entire industry with sales reaching over 1 million by its ten year anniversary.
Eureka tents have also traveled as part of several historic expeditions, including the American Women's Himalayan Expedition to Annapurna I in 1978 and the first Mt. Everest ascents by a Canadian and American woman in 1986 and 1988. In recent history, tents specially designed and donated by Eureka sheltered Eric Simonson and his team on two historic research expeditions to Mount Everest, this time in a quest for truth regarding the 1924 attempted summit of early English explorers George Mallory and Andrew Irvine. During the 1999 expedition, the team made history finding the remains of George Mallory, but the complete mystery remained unsolved. Returning in 2001 to search for more clues, the team found amazing historical artifacts which are now on display at the Smithsonian.
Amazon.com Tent Guide Selecting a Tent Fortunately, there are all kinds of tents for weekend car campers, Everest expeditions, and everything in-between. Here are a few things to keep in mind:
Expect the Worst In general, it's wise to choose a tent that's designed to withstand the worst possible conditions you think you'll face. For instance, if you're a summer car camper in a region where weather is predictable, an inexpensive family or all purpose tent will likely do the trick--especially if a vehicle is nearby and you can make a mad dash for safety when bad weather swoops in! If you're a backpacker, alpine climber or bike explorer, or if you like to car camp in all seasons, you'll want to take something designed to handle more adversity.
Three- and Four-Season Tents For summer, early fall and late spring outings, choose a three-season tent. At minimum, a quality three season tent will have lightweight aluminum poles, a reinforced floor, durable stitching, and a quality rain-fly. Some three-season tents offer more open-air netting and are more specifically designed for summer backpacking and other activities. Many premium tents will feature pre-sealed, taped seams and a silicone-impregnated rain-fly for enhanced waterproofness.
For winter camping or alpine travel, go with a four season model. Because they typically feature more durable fabric coatings, as well as more poles, four-season tents are designed to handle heavy snowfall and high winds without collapsing. Of course, four-season tents exact a weight penalty of about 10 to 20 percent in trade for their strength and durability. They also tend to be more expensive.
Domes and Tunnels Tents are broadly categorized into two types, freestanding, which can stand up on their own, and those that must be staked down in order to stand upright. Freestanding tents often incorporate a dome-shaped design, and most four-season tents are constructed this way because a dome leaves no flat spots on the outer surface where snow can collect. Domes are also inherently stronger than any other design. Meanwhile, many three-season models employ a modified dome configuration called a tunnel. These are still freestanding, but they require fewer poles than a dome, use less fabric, and typically have a rectangular floor-plan that offers less storage space than a dome configuration. Many one and two-person tents are not freestanding, but they make up for it by being more lightweight. Because they use fewer poles, they can also be quicker to set up than a dome.
Size Matters Ask yourself how many people you'd like to fit in your fabric hotel now and in the future. For soloists and minimalists, check out one-person tents. If you're a mega-minimalist, or if you have your eye on doing some big wall climbs, a waterproof-breathable bivy sack is the ticket. Some bivy sacks feature poles and stake points to give you a little more breathing room. Also, if you don't need bug protection and you want to save weight, check out open-air shelters.
Families who plan on car camping in good weather can choose from a wide range of jumbo-sized tents that will accommodate all your little ones with room to spare. A wide range of capacities is also available for three- and four-season backpacking and expedition tents. Remember, though, the bigger the tent you buy, the heavier it will be, although it's easy to break up the tent components among several people in your group. It's also helpful to compare the volume and floor-space measurements of models you're considering.
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This tent is extremely easy to setup (even in the pouring rain) and has served us well through all seasons.It has been warm and insulating in very cold temperatures (well below freezing) above 12,000 feet in CO.Although it is a two person tent, it is a little on the small side, but that helps with the minimal weight.Also, if you are looking for a tent with a large vestibule, this is not a tent for you.The vestibule has enough room for two large packs and shoes- that's it.The vents, places to attach biners and lights, and the colors are all nice touches.If your idea of backpacking is roughing it and going fast and light, this is the tent for you- it's just the perfect size and holds up in nasty weather. 
