Big Agnes Copper Spur HV UL3 Tent Marmot Fortress 2 Person Tent
Head-to-head comparison: specs, scores and expert verdict
Big Agnes
Big Agnes Copper Spur HV UL3 Tent
Best for: Ultralight three-person backpacking and versatile camping.
Marmot
Marmot Fortress 2 Person Tent
Best for: Weather-intensive backpacking and car camping trips.
Our Take
Worth flagging before you compare: the Big Agnes Copper Spur HV UL3 Tent is a backpacking and the Marmot Fortress 2 Person Tent is a dome, so these two sit in different shelter categories.
Both score 8.4 overall, though the Big Agnes Copper Spur HV UL3 Tent wins more individual scoring categories.
The main tradeoff: the Marmot Fortress 2 Person Tent leads on value for money despite trailing overall.
The Marmot Fortress 2 Person Tent also has a price edge — $433 less at $216 versus $649.
Your best pick will come down to personal priorities, so check the full specs comparison below.
🏆 Our pick: The Big Agnes Copper Spur HV UL3 Tent scores higher overall.
Score Comparison
Pros & Cons
Big Agnes Copper Spur HV UL3 Tent
- 41-sqft palatial interior
- Proprietary HyperBead fabric
- Dual awning-style vestibules
- Fragile floor material
- Sticky, finicky zippers
Marmot Fortress 2 Person Tent
- Full fabric canopy
- Vertical wall construction
- Dual-sided zippered entries
- Heavy 5lb+ weight
- Poor summer ventilation
Full Specs
| Spec | Big Agnes Copper Spur HV UL3 Tent | Marmot Fortress 2 Person Tent |
|---|---|---|
| Tent Type | Backpacking, Dome | Dome, Backpacking |
| Capacity | 2 people | 2 people |
| Seasons | 3 Season | 4 Season |
| Est. Price | $650 | $217 |
| Weight | 3 Lbs 8 Oz | 5 Lbs. 5.5 Oz. |
| Min Trail Weight | — | 5 Lbs. 1.5 Oz. |
| Floor Area | 41.0 ft² | 32.0 ft² |
| Vestibule Area | 9 + 9 Sq Ft | 9.8/7.8 Sq Ft |
| Peak Height | 43 | 42 |
| Doors | 2 | 2 |
| Floor Dimensions | 90 X 70 In | 88 X 54 Inches |
| Pole Material | DAC NFL | DAC Pressfit / Velocity |
| Floor Fabric | Silicone Treated Proprietary Ultralight Double Rip Stop Mixed Denier Nylon With 1200mm Waterproof Polyurethane Coating | 68 Denier Polyester Taffeta 190T 2000mm |
| Rainfly Fabric | Silicone Treated Proprietary Ultralight Double Rip Stop Mixed Denier Nylon With 1200mm Waterproof Polyurethane Coating | — |
| Setup Time | 5 Mins | 10 Mins |
| Warranty | Limited | Limited Lifetime Warranty |
| Made In | Imported | Imported |
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