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Sierra Designs Zeta 3 Three-Person Three-Season Tent

4.5 out of 5 stars 5 customer reviews

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  • 3-person, 3-season tent with revolutionary Tunnel Dome configuration
  • Offers spacious, comfortable tunnel design and easy-to-pitch dome frame
  • Dye-free optic white canopy creates brighter in-tent environment
  • 43 square feet of sleeping space; 18.5 + 8 square foot vestibule area
  • Measures 87 x 46 x 70 inches (W x H x D); trail weight of 6 pounds 9 ounces

Tent Buying Guide Tent Buying Guide

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Technical Details

Product Description

Product Description

Innovative tunnel dome engineering delivers the best of both worlds freestanding function, and enormous living space. Cavernous comfort for three Sierra's special Tunnel Dome design makes for steeper walls. And steeper walls means more space, and less of the campsite claustrophobia you get when you cram yourself into a sardine-can tent. And, like all Sierra Tents, you get top-notch weather protection. The Zeta is more than capable of withstanding torrential downpours, heavy winds, even a bit of snow, all while keeping you and your gear bone-dry. And somehow, it all ends up weighing about 7-Pounds. Body fabric is light, tough 40D nylon, floor fabric is 70D nylon with a 3000-Millimeter PU coating for added durability and waterproofing. Sleeps 3 comfortably, 43-Square Feet offers plenty of room for you to stretch out your legs. Great spots to keep stuff up, out of the way, and organized. Bathtub floor keeps water out, stash door opens fully at any point and stores easily in a pocket to stay clean and dry, DAC feather lite poles are super-strong, super-light. Peak height is 46-Inch; weighs 7-Pounds 3-Ounce. Sierra Designs zeta three-season tent.

Capable of housing a party of three with ease, the Zeta three-season tent is terrific for casual or backcountry camping. The tent offers a revolutionary Tunnel Dome four-pole configuration that acts like two different tents in one. The Zeta mimics a tunnel tent in its spaciousness, with a large, comfortable sleeping area (43 square feet). However, the tent's freestanding design also sets up as easily as a dome tent. Combine the two and you have a roomy, lightweight tent that's easy to carry on your pack. Construction details include a 40-denier nylon body material, a 68-denier polyester fly material, and DAC Press Fit poles.


    The Zeta 3-person 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.
  • Bathtub floor: The tent's raised, taped perimeter seam keeps water from seeping in.
  • Dye-free optic white canopy: Optic white canopies transmit light more effectively to create a brighter and more pleasant environment inside the tent. Sierra Designs produces the optic white canopy without the use of chemical dyes.
  • RCT swift clip: This twist clip from DAC clips perfectly to any pole diameter and removes with a simple twist.
  • S-Stopper with H-Clip: The S-Stopper provides an innovative means of tensioning the ridge pole and body while keeping the pole safely out of the way.
  • 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.
  • Vented vestibule: The vented vestibule allows for additional air circulation.
  • Visor Connector: The Visor Connector is a new connection point for poles that enables new and innovative tent geometries that were previously impossible. As a result, you can make 90-degree pole connections.


  • Trail weight: 6 pounds 9 ounces
  • Fastpack weight: N/A
  • Packed weight: 7 pounds 3 ounces
  • Packed size: 22 by 6 inches
  • Number of doors: 2
  • Interior area: 43 square feet
  • Vestibule area: 18.5 + 8 square feet
  • Peak height: 46 inches
  • Floor material: 70-denier nylon, 3000mm
  • Body material: 40-denier nylon
  • Fly material: 68-denier polyester, 1500mm
  • Number of poles: 4 hubbed
  • Poles: DAC Press Fit, 9.0mm

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: 7.2 pounds
  • ASIN: B001LNNIL8
  • Item model number: 0014550900
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (5 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

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Top Customer Reviews

Just finished RAGBRAI using this tent (7 days camping in it, different town every day). Easy to put up, take down,lots of headroom, held up fine in the thunderstorm with no leaks and lots of wind. Instructions are very poorly written and sparse but after setting it up the first time, it's a breeze after that. We didn't carry it so I don't know how well it would do backpacking.
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Good tent at a good price. I've camped in this tent in various weather conditions including high winds, heavy rain, and even light snow. In all occasions, the tent kept me dry and protected from the elements. I plan on putting this tent to use again for a planned backpacking trip next week in Colorado - Great Sand Dunes National Park & Preserve and surrounding wilderness areas.

The only actions I've taken to ensure success with this tent are: 1) using a footprint and 2) sealing all of the seams - rainfly and floor.

It's worth noting the instructions accompanying the tent could be substantially improved upon.
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By Raven69 on June 21, 2011
Verified Purchase
Excellent tent for the price and quality; it was very easy to set up. Well ventilated covered or uncovered. Held up very well during hurricane winds that we had. I am very impressed with this tent.
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- Setup is easy (only 2 poles!) although it's 'unconventional' compared to a basic dome tent so try once or twice to get the hang of it.
-Very light materials and everything feels like it's well made.
-tonnes of mesh, great air flow
-I like the coloring, this is a good looking tent.
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The tent is very easy to set up, but the instructions are a bit lacking. Make sure to set this one up once or twice at home before you take it out and actually need to use it.
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