Big Agnes Copper Spur HV UL2 vs REI Co-op Half Dome SL 2
Verdict: Big Agnes Copper Spur HV UL2 earns the edge for dedicated backpackers who prioritize shaving every ounce, beating the REI by 1.5 lbs while matching floor area and adding dual vestibules. The REI Co-op Half Dome SL 2 counters with stronger floor fabric and lower cost, making it the pick for car campers or those prioritizing durability over minimal weight. Both score well on real-world reviews from REI and outdoor sites for weather resistance when properly staked.
Winner: Big Agnes Copper Spur HV UL2
Big Agnes Copper Spur HV UL2: 8.5/10
REI Co-op Half Dome SL 2: 7/10
Spec-by-spec comparison
| Big Agnes Copper Spur HV UL2 | REI Co-op Half Dome SL 2 | |
|---|---|---|
| weight | 2 lb 11 oz | 4 lb 2 oz |
| floor_area | 29 sq ft | 30 sq ft |
| peak_height | 42 in | 44 in |
| doors | 2 | 2 |
Big Agnes Copper Spur HV UL2
What works
- Ultralight at 2 lb 11 oz for fast backpacking
- Two doors and vestibules for easy access
- High-volume pole design maximizes interior space
What doesn't
- Thin 20D fabric tears more easily than heavier tents
- Requires careful pitching on uneven ground
REI Co-op Half Dome SL 2
What works
- More durable 40D floor and 20D/40D walls
- Spacious 30 sq ft floor with good headroom
- Lower price point for frequent car campers
What doesn't
- Heavier at over 4 lbs limits multi-day backpacking
- Single vestibule reduces gear storage options
Bottom line
Our pick: Big Agnes Copper Spur HV UL2.
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