← All Tents

SlingFin Portal 1 Tent Big Agnes Copper Spur HV UL1 Tent

Head-to-head comparison: specs, scores and expert verdict

SlingFin Portal 1 Tent

SlingFin

SlingFin Portal 1 Tent

★ 8.0 Backpacking
Sleeps 1 Seasons 3-season Weight 2.5 lbs Est. Price $550

Best for: Stormy, high-wind shoulder season trips.

Big Agnes Copper Spur HV UL1 Tent

Big Agnes

Big Agnes Copper Spur HV UL1 Tent

★ 8.4 Dome
Sleeps 1 Seasons 3-season Weight 2 lbs 6 oz Est. Price $500

Best for: Ultralight backpacking and high-volume interior comfort.

Our Take

Worth flagging before you compare: the SlingFin Portal 1 Tent is a backpacking and the Big Agnes Copper Spur HV UL1 Tent is a dome, so these two sit in different shelter categories.

On scores, the Big Agnes Copper Spur HV UL1 Tent edges ahead — 8.4 overall versus 8.0.

The biggest gap is intangibles, where the Big Agnes Copper Spur HV UL1 Tent holds a clear advantage.

The Big Agnes Copper Spur HV UL1 Tent also has a price edge — $50 less at $499 versus $550.

For most buyers, the Big Agnes Copper Spur HV UL1 Tent is the stronger all-round pick — but check the full specs below before deciding.

🏆 Our pick: The Big Agnes Copper Spur HV UL1 Tent scores higher overall.

Still deciding between these two?

Ask our AI for a personalised recommendation based on your camping style, group size, and budget.

Score Comparison

SlingFin Portal 1 Tent
Big Agnes Copper Spur HV UL1 Tent
Overall Score
8.0
8.4
Space & Comfort
8.0
7.5
Quality & Durability
8.0
9.0
Weather Resistance
8.0
9.0
Value for Money
7.0
6.0
Ease of Use
7.0
8.0
Intangibles
8.0
10.0

Pros & Cons

SlingFin Portal 1 Tent

  • Bomber stability in heavy winds
  • Generous pockets and great headroom
  • Premium long-lasting fly fabric
  • Single vent limits cross ventilation
  • Extra stability features slow setup

Big Agnes Copper Spur HV UL1 Tent

  • Near-vertical interior walls
  • Massive 3D bin pocket
  • High-volume freestanding structure
  • Fragile rainfly zippers
  • Inner-pitch-first rain setup

Full Specs

SpecSlingFin Portal 1 TentBig Agnes Copper Spur HV UL1 Tent
Tent Type Backpacking, Dome, Ultralight Dome, Backpacking, Ultralight
Capacity 1 person 1 person
Seasons 3 Season 3 Season
Est. Price $550 $500
Weight 2.5 Lbs 2 Lbs 6 Oz
Min Trail Weight 2 Lb 8 Oz 2 Lbs 2 Oz
Floor Area 19.3 ft² 20.0 ft²
Vestibule Area 9.8 Sq Ft 9 + 9 Sq Ft
Peak Height 41 38
Doors 1 2
Floor Dimensions 88 X 35 In 88 X 28 In
Pole Material Aluminum DAC NFL Aluminum
Floor Fabric 20D Nylon Ripstop PE 1800mm Ripstop Nylon/polyurethane Coating
Rainfly Fabric 10 Denier Nylon 66 Ripstop With A Dual Sided Silicone Coating Ripstop Nylon/polyurethane Coating
Packed Size 14x4 In 5.5 X 17.5 In
Setup Time 3 5 Mins 5 Mins
Warranty Lifetime Limited
Made In Imported Imported

Ready to Buy?

SlingFin

SlingFin Portal 1 Tent

Big Agnes

Big Agnes Copper Spur HV UL1 Tent

Still not sure? Let us recommend the perfect tent for your adventures.

Find Your Perfect Tent →