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Big Agnes Seehouse SL3 3-Season Backpacking Tent

Purchase Seedhouse SL3

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$52.49 (14%)

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The classic freestanding Big Agnes Seedhouse SL3 tent continues to represent an ideal balance of usable interior space, 3-season backpacking performance, lightweight (trail weight of 4 pounds) packability, reliable durability, and price.


The classic freestanding Big Agnes Seedhouse SL3 tent continues to represent an ideal balance of usable interior space, 3-season backpacking performance, lightweight (trail weight of 4 pounds) packability, reliable durability, and price.

The tent tapers from 66" at the head to 60" at the feet. This equates to internal space of 39 square feet which is adequate for up to two and also makes the tent a roomy option for solo backpackers. An integrated vestibule offers weather-protected external storage space in front of the large single door. Small "sidecar' vestibules provide streamlined external storage space on either side of the tent that can be reached from the interior. Multiple interior mesh pockets provide places to stash gear and clothes while integrated gear loft loops offer a connection point for the Big Agnes Triangle Gear Loft, Trapezoid Gear Loft, or Square Gear Loft (all sold separately).

Lightweight but sturdy DAC Pressfit Poles add freestanding structural support and attach easily to the tent body's integrated plastic clips. Lightweight, durable aluminum tent stakes are included to ensure a taut pitch and maximized stability.

The fly is constructed of silicone-treated nylon ripstop with a 1200mm polyurethane waterproof coating. The floor is made of polyester taffeta and has its own 1500mm PU waterproof coating. All of the tent's seams are sealed with waterproof, solvent-free polyurethane tape (no PVC or VOCs) to further protect the tent from the elements.

The custom-fit Big Agnes Seedhouse SL3 Footprint (sold separately) can be used to add additional protection beneath the tent from mud, ground water, or sharp objects. If you want to save weight and the weather cooperates, you can leave the tent body at home and use just the rainfly, the poles, and the footprint for a tarp-style set-up that weighs just 3 pounds.

  • Generous living space, easy setup, and extra Sidecar vestibules keep this classic tent a favorite on the trail
  • Featuring Sidecar vestibules for extra storage, easily accessible from the interior of the tent
  • Easy setup single-pole structure with DAC Angle Hubs and attached cross pole increases usable interior space and headroom
  • Simple head-entry design with single door and single vestibule featuring storm flaps on vestibule zipper
  • Stow unzipped door quick and easy with Quick Stash door keeper on tent body door
  • Stash oversized gear in 3D shelf, utilizing dead space above your feet, plus oversized ceiling pocket to stash other items up and out of the way
  • Clean earbud-cord routing from phones or other devices through media pockets located above sleeping area
  • Ready to pitch with pre-cut guylines and tensioners attached to fly and extra stability with Velcro tabs that connect fly to pole structure
  • Enhanced visibility at night with reflective guylines and reflective webbing
  • Attach gear lofts, accessories and mtnGLO Tent & Camp Lights with multiple interior loops
  • To extend the life of your tent floor, Big Agnes recommends using the custom-fit footprint (sold separately)
  • Includes lightweight aluminum stakes
  • Fly is silicone treated nylon rip-stop with 1200mm waterproof polyurethane coating
  • Floor is polyester taffeta is a 1500mm waterproof polyurethane coating
  • Tent body is polyester mesh
  • Waterproof, solvent-free polyurethane taped seams (No PVC or VOCs)
  • DAC Pressfit pole system with lightweight Angle Hubs
  • Compatible with Big Agnes Triangle, Trapezoid, and Square Gear Lofts (all sold separately)

Technical Specs

Best Use
Average Min Weight
4 lb 0 oz
Average Packed Weight
4 lb 7 oz
Clips Or Sleeves
Floor Area
39 sq ft
Floor Dimension
88" x 66" (at widest point)
Interior Height
Interior Storage
Oversized ceiling pocket and 3D gear shelf
Number Of Poles
1 hubbed
Pole Diameter
Pole Type
DAC Aluminum Pressfit
Seam Sealed
Taped Seams
Vestibule Area
11 sq ft
Storage Sack Included
Limited Lifetime
Walls: Polyester mesh
Fly: Silicone-treated nylon ripstop 1200mm PU
Floor: Polyester taffeta 1500mm PU
Packed Size
19" x 7"

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