Slingfin Portal 3

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Capacity 3-Person

Quick overview

The Slingfin Portal 3, the 3-person version of Slingfin's best-selling Portal tent, retains the best features of the 2-person version and increases the size to accommodate a third adventurer. Like its smaller siblings, the Portal 3 maximises the strength-to-weight ratio by using several features developed for Slingfin's Expedition Series tents, such as the OutRigger attachment, pre-installed internal storm lines and numerous external storm lines.

As you might have guessed, the Portal 3 is more than a scaled-down version of the Portal 2. The Portal 3 has been built from the ground up with as much attention to detail as the original Portal. For example, the Portal 3 has stronger poles to compensate for the tent's larger wind profile and a divided storage compartment in the ceiling near the headboard for better accessibility for multiple people. The Portal 3 has been extensively tested in the most extreme conditions to ensure the tent will be a steadfast companion no matter where the trail (or river, or road) takes you.

Slingfin uses a 10D Nylon 66 Ripstop outer tent with silicone coating that is basically magic, with better UV resistance than fabrics three times heavier, super-low water absorption (so fast drying times) and incredible resistance to mould and mildew. The silicone coating does not break down when your tent is stored in your closet and does not cause that "old tent smell" that develops over time in tents you love. The 20D PE-coated tent floor fabric strikes a good balance between light weight and durability and does not absorb water, unlike PU-coated tent floor fabrics. It also has much more hydrolytic stability than PU coatings and does not flake and stink over time. Pre-installed spare liners on all zips double the life of your zips and eliminate the need for half-baked repairs in the field.

To extend the life of the floor of your Portal, we recommend buying a Slingfin Portal 3 Footprint. An added benefit of using the footprint is that it reduces condensation inside the tent at night.


Slingfin Portal 1 Portal 2 Portal 3
Persons 1 2 3
Minimum weight (g) 1133 1304 1701
Packed weight (g) 1318 1503 1899
Floor dimensions (cm) 224x89 (head)x71 (foot) 216x129 (head)x106 (foot) 234x173 (head)x157 (foot)
Surface area (m²) 1,79 2,55 3,86
Height (cm) 111 111 112
Vestibule area (m²) 1x0,91 2x0,78 0,96
Packed size (cm) 35x13  18.5x23 15x43
Number of doors 1 2 2
Seasons 3
Floor fabric and waterproofness (mm) 20D Nylon Ripstop PE 1800mm
Fly Fabric and waterproofness (mm) 10D Nylon 66 Ripstop Sil/Sil 1200mm
Tent Body Fabric 15D Nylon no-see-um mesh
Poles 2 DAC Featherlite NFL 8.7mm, 1 NFL 9.3mm 2 DAC Featherlite NFL 9.3 mm, 1 PL 10.65mm


  • Two doors and two vestibules
  • Two pre-installed internal guylines give the Portal great lateral stability for almost no weight increase.
  • The KickStand vents make ventilation a breeze. Opposing struts on the vestibule doors provide unrestricted cross-tent airflow for excellent condensation management without sacrificing weather protection
  • High-volume pole structure with a swivel provides well-distributed headroom without the weakness of hubs
  • Pole swivel connects long poles for easy setup
  • All the pockets you could ever want (three ceiling, two head, two side, one foot)
  • 10 external guy points and 2 perimeter pull-outs provide ample reinforcement
  • External guy points correspond to flysheet-to-pole attachments to increase stability
  • Matching reflective tabs on fly and tent body simplify setup
  • Color-coordinated stake loops for easy flysheet orientation
  • Pre-installed spare zipper sliders on every zipper double your zippers' lifespan
  • Can be pitched with footprint (not included) and fly for a minimalist weather shelter
  • 2-side silicone impregnated flysheet and PE floor fabric are mildew-resistant and have excellent hydrolytic stability, and will last significantly longer than traditional PU-coated fabrics
  • Includes 10 DAC J-Stakes and 10 additional external guylines (not including 2 pre-installed internal guylines)