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Sierra Designs Lightning XT 1 One-Person Ultralight Tent

5 out of 5 stars 2 customer reviews

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  • 1-person, 3-season ultralight tent with full-coverage rainfly
  • Innovative Tunnel Dome structure combines best elements of both tent types
  • SuperSeal floor with taped perimeter seam for waterproof protection
  • 19.25 square feet of sleeping space; 9 square foot vestibule area
  • Measures 83 x 38 x 32 inches (W x H x D); trail weight of 2 pounds 15 ounces

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Technical Details

Product Description

Product Description

Ultralight function pushed to the limit -the Lightning XT 1 defies logic, weighing in at 2lbs 15oz, for tent-like comfort and protection in a bivy-sack weight! Tunnel Dome pole structure increases head-room and stability without increasing weight. Jakes Foot and H-Clips make setting this tent up solo a breeze.

Need a spacious solo tent but don't want to be weighed down on the trail? Turn to the Sierra Lightning XT one-person ultralight tent, which offers a new pole DAC configuration that dramatically expands the interior space, but weighs a mere 2 pounds 15 ounces. The tent is plenty roomy for one person, with 19.25 square feet of sleeping space and one small vestibule. It's also tough enough to hold up to three-season use thanks to its 20-denier nylon body material and 40-denier HT nylon fly material.


    The Lightning XT 1-person ultralight tent with rainfly and vestibule.
  • Ball cap connector: The ball cap eliminates the tip and grommet at the end of ridge poles. The cap's unique shape allows the ball cap to pivot and rotate without release.
  • SQ ring: The SQ ring attaches to the inside of the tent fly, where it easily connects to the ridge pole and tent fly without requiring Velcro or a pole end pocket.
  • SuperSeal Floor: Combining the benefits of catenary and bathtub floors, the SuperSeal Floor is equipped with a raised, taped, perimeter seam that keeps water safely outside. The floor also maintains a tighter pitch with a better wind line than other floors to prevent flapping.
  • Quick Pitch Swivel Hub: With an increased angle of rotation, the Quick Pitch Swivel Hub helps reduce the possibility of pitching errors and makes setup faster. The tent body features an H-Clip, which easily connects to the bottom of the hub to create tension up to the peak of the tent.
  • DAC Featherlite NSL poles:
    Offering the best strength-to-weight ratio of any tent pole available, the thick-diameter DAC Featherlite NSL poles are a Sierra staple. The poles boast a thick diameter but a thin wall, increasing strength at the connection points while simultaneously saving weight. The poles' unique joining insert also allows for a cleaner, smoother transition when setting up tents with Reverse Combi Technology.
  • Tunnel Dome: This innovative Sierra architecture combines the strengths of both dome and tunnel tents in a single unified design. Tunnel Dome tents borrow the freestanding ease of setup and large doors from dome tents, and the steep walls, covered doors, and spacious interiors of tunnel tents.


  • Trail weight: 2 pounds 15 ounces
  • Fastpack weight: N/A
  • Packed weight: 3 pounds 6 ounces
  • Packed size: 19 by 5 inches
  • Number of doors: 1
  • Interior area: 19.25 square feet
  • Vestibule area: 9 square feet
  • Peak height: 38 inches
  • Floor material: 70-denier nylon, 3000mm
  • Body material: 20-denier nylon
  • Fly material: 40-denier HT nylon, 1500mm
  • Number of poles: 3 hubbed
  • Poles: DAC Featherlite NSL, 8.5mm

About Sierra Designs
Since 1965, innovative products have helped Sierra Designs to become one of the most renowned outdoor brands in the outdoor industry. With over 40 years of experience and an intense passion for the outdoors Sierra Designs has been able to create some of the best performance products. Not only are their products reliable enough to help thrill seekers like Eric Larsen summit Mount Everest and journey to both the North and South poles, but they promote a harmonious relationship with the environment we play in as well. If that's not enough; just ask the editors of Outside Magazine, National Geographic, and Backpacker Magazine. All of whom have presented Sierra Designs with numerous gear awards. 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.

Product Details

  • Shipping Weight: 3.4 pounds
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Item model number: 0014410900
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (2 customer reviews)
  • Amazon Best Sellers Rank: #2,335,151 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here

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Top Customer Reviews

By USCGsnipe on January 15, 2012
Just as advertised, very impressed. The tent is extremely light and I don't even really notice the extra weight on my pack. I have used it through the year into early winter in AK. Its been through wind, rain and light snow so far on a few different trips. Of course you would need a warm sleeping bag for winter camping. The rain fly is extremely waterproof, vestibule is big enough to keep you pack and a few other items such as boots etc, there is a little pocket inside for flashlight/headlamp or whatever you would like to put in it. Extremely easy and fast setup, rainfly secured very will to tent poles. So when it is windy you dont have to hear the rain fly slapping around all night. Tent stakes as well as poles are very good quality and durable. Highly recommend this tent for anyone who backpacks, kayaks, hikes etc. It is definately a 1 man tent so don't expect to fit much else other than your sleeping bag and yourself.
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I got this tent in the spring and have used it all summer. It's light, fits into my pack and kayak, and is super easy to set up. It's weathered some terrible thunderstorms, with me staying dry as a bone. The vestibule gives you plenty of space for your pack or boots or other things you want to stay under cover. It also has an inner pouch for your watch or headlamp or other to-find items and loops at the top to hang a mini-lantern (mine is the black diamond). The only thing I would change would be to have the poles break down to shorter lengths. I'm short - only 5' - and so my packs are small, but really this hasn't lessened how much I like the tent. My height should be considered in my review. I'm not sure if I was really tall if I would feel like the tent fits me as well as it does.
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