Big Agnes Copper Spur HV UL1 Tent SlingFin Portal 1 Tent
Head-to-head comparison: specs, scores and expert verdict
Big Agnes
Big Agnes Copper Spur HV UL1 Tent
Best for: Ultralight backpacking and high-volume interior comfort.
SlingFin
SlingFin Portal 1 Tent
Best for: Stormy, high-wind shoulder season trips.
Our Take
Worth flagging before you compare: the Big Agnes Copper Spur HV UL1 Tent is a dome and the SlingFin Portal 1 Tent is a backpacking, 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.
Ask our AI for a personalised recommendation based on your camping style, group size, and budget.
Score Comparison
Pros & Cons
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
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
Full Specs
| Spec | Big Agnes Copper Spur HV UL1 Tent | SlingFin Portal 1 Tent |
|---|---|---|
| Tent Type | Dome, Backpacking, Ultralight | Backpacking, Dome, Ultralight |
| Capacity | 1 person | 1 person |
| Seasons | 3 Season | 3 Season |
| Est. Price | $500 | $550 |
| Weight | 2 Lbs 6 Oz | 2.5 Lbs |
| Min Trail Weight | 2 Lbs 2 Oz | 2 Lb 8 Oz |
| Floor Area | 20.0 ft² | 19.3 ft² |
| Vestibule Area | 9 + 9 Sq Ft | 9.8 Sq Ft |
| Peak Height | 38 | 41 |
| Doors | 2 | 1 |
| Floor Dimensions | 88 X 28 In | 88 X 35 In |
| Pole Material | DAC NFL Aluminum | Aluminum |
| Floor Fabric | Ripstop Nylon/polyurethane Coating | 20D Nylon Ripstop PE 1800mm |
| Rainfly Fabric | Ripstop Nylon/polyurethane Coating | 10 Denier Nylon 66 Ripstop With A Dual Sided Silicone Coating |
| Packed Size | 5.5 X 17.5 In | 14x4 In |
| Setup Time | 5 Mins | 3 5 Mins |
| Warranty | Limited | Lifetime |
| Made In | Imported | Imported |
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