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Big Agnes Copper Spur UL2 vs REI Co-Op Half Dome 2 Tent

Editorial Team
Last modified at August 9, 2026
Choosing the right backpacking tent can make or break your outdoor experience. The Big Agnes Copper Spur UL2 and REI Co-Op Half Dome 2 Tent are both popular choices, but they cater to different needs. The Copper Spur UL2 is ideal for those who prioritize lightweight and weather resistance, while the Half Dome 2 is perfect for backpackers seeking comfort and spaciousness.

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Big Agnes Copper Spur UL2REI Co-Op Half Dome 2 Tent
Big Agnes Copper Spur UL2
REI Co-Op Half Dome 2 Tent
Weight

2 lb 10 oz min; 3 lb packed

4 lb 13.3 oz min; 5 lb 15.1 oz packed

Floor Area

29 sq ft

31.8 sq ft

Number Of Doors

2

2

Material

15D nylon; 20D solution-dyed ripstop

Polyester/nylon canopy; coated floor/fly

Stakes

11 Dirt Dagger UL stakes

10

Warranty

Limited warranty

1 Year

Vestibule Size

9 + 9 sq ft

9.17 sq ft + 9.17 sq ft

Pole System

DAC Featherlite NFL, NSL and pressfit poles

Poles: 1 pole
Pole Material: 7000-series aluminum

Packed Dimensions

19.5 × 4 in

22 x 7.3 x 7.3 in

Number Of Vestibules

2

2

Headroom

40 in

42 in

Fabric Type

HyperBead 15D/20D ripstop

Polyester/nylon canopy; coated floor/fly

Zipper Placement

dual zippers

N/A

Durability

Big Agnes Copper Spur UL2

4.4/ 5.0

REI Co-Op Half Dome 2 Tent

4.4/ 5.0

Durability is crucial for backpacking tents as it ensures longevity and reliability in various weather conditions. A more durable tent means fewer worries about wear and tear, allowing you to focus on your adventure. Both the Big Agnes Copper Spur UL2 and REI Co-Op Half Dome 2 Tent score equally in durability. The Copper Spur UL2 features reinforced materials like injection-molded poles and tip-lock buckles, which hold up well in wind and rain. The Half Dome 2 also receives praise for its durability, with aspects like YKK zippers, a pre-attached footprint, and thicker fabrics. Both tents are designed to withstand the elements, making this category a tie.

Comfort

Big Agnes Copper Spur UL2

4.4/ 5.0

REI Co-Op Half Dome 2 Tent

4.9/ 5.0

Comfort is essential for a pleasant backpacking experience, especially on multi-day trips. A comfortable tent provides ample space, good headroom, and thoughtful storage solutions. The REI Co-Op Half Dome 2 Tent excels in comfort with its spacious interior, near-vertical walls, and ample ceiling pockets. It offers a roomy interior that makes changing clothes or waiting out weather much more pleasant. The Big Agnes Copper Spur UL2, while comfortable, is slightly less spacious but still provides excellent headroom and storage pockets. For those prioritizing comfort, the Half Dome 2 is the clear winner.

Weather Resistance

Big Agnes Copper Spur UL2

4.6/ 5.0

REI Co-Op Half Dome 2 Tent

3.9/ 5.0

Weather resistance is vital for staying dry and comfortable in various conditions. A tent with better weather resistance will keep you protected during heavy downpours and strong winds. The Big Agnes Copper Spur UL2 scores higher in weather resistance, thanks to its rain fly with its own pole and waterproof fabric that keeps you dry even in heavy downpours. The REI Co-Op Half Dome 2 Tent also performs well but has some complaints about minor leakage and condensation. For backpackers who expect to face harsh weather conditions, the Copper Spur UL2 is the better choice.

Ventilation

Big Agnes Copper Spur UL2

4.2/ 5.0

REI Co-Op Half Dome 2 Tent

3.7/ 5.0

Good ventilation helps reduce condensation and keeps the tent interior comfortable. A well-ventilated tent ensures a more pleasant sleeping environment, especially in humid conditions. The Big Agnes Copper Spur UL2 has mesh panels and a breathable design that reduce condensation, though some reviewers found airflow slightly limited in humid conditions. The REI Co-Op Half Dome 2 Tent also offers good ventilation with vents over the top that help air circulate and cool the tent. However, it has some complaints about condensation buildup. Overall, the Copper Spur UL2 has a slight edge in ventilation.

Ease Of Setup

Big Agnes Copper Spur UL2

4.8/ 5.0

REI Co-Op Half Dome 2 Tent

4.4/ 5.0

Ease of setup is important for backpackers who want to spend less time pitching their tent and more time enjoying the outdoors. A tent that is easy to set up can be a significant advantage, especially after a long day of hiking. The Big Agnes Copper Spur UL2 is praised for its freestanding design and intuitive pole connections, making it one of the quickest tents to pitch. The REI Co-Op Half Dome 2 Tent also has a straightforward setup with color-coded poles and clips but is slightly more complex. For those who value quick and easy setup, the Copper Spur UL2 is the winner.

Weight

Big Agnes Copper Spur UL2

4.7/ 5.0

REI Co-Op Half Dome 2 Tent

2.9/ 5.0

Weight is a critical factor for backpackers who need to carry their gear over long distances. A lighter tent can make a significant difference in your overall pack weight, reducing fatigue and making your trip more enjoyable. The Big Agnes Copper Spur UL2 is exceptionally lightweight at just over 2.8 pounds, making it ideal for long-distance backpacking. The REI Co-Op Half Dome 2 Tent, while not heavy, weighs significantly more at around 5 pounds. For those prioritizing a lightweight tent, the Copper Spur UL2 is the clear winner.

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Conclusion & Final Verdict:

In conclusion, the Big Agnes Copper Spur UL2 is the better choice for backpackers who prioritize lightweight design and weather resistance. Its ultralight materials and excellent weather protection make it ideal for long-distance trips and harsh conditions. However, if comfort and spaciousness are your top priorities, the REI Co-Op Half Dome 2 Tent is the way to go. It offers a roomier interior and more comfortable living space, making it perfect for multi-day trips where weight is less critical.

Choose the Copper Spur UL2 for lightweight performance and weather resistance. Choose the Half Dome 2 for comfort and space.

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