NEMO Equipment Dragonfly OSMO Ultralight Backpacking Tent vs Big Agnes Copper Spur UL2

Editorial Team
Last modified at April 30, 2026
When it comes to backpacking tents, the NEMO Equipment Dragonfly OSMO Ultralight Backpacking Tent and the Big Agnes Copper Spur UL2 are two of the most popular options on the market. Both tents are designed to be lightweight and compact, making them ideal for backpackers who need to save space and weight without sacrificing comfort. However, there are some key differences between the two that may make one a better fit for your needs than the other.

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NEMO Equipment Dragonfly OSMO Ultralight Backpacking TentBig Agnes Copper Spur UL2
NEMO Equipment Dragonfly OSMO Ultralight Backpacking TentBig Agnes Copper Spur UL2
Weight

2 lb 13 oz

Trail Weight: 2 lb 10 oz
Total Weight: 3 lb

Floor Area

29.0 sq ft

29 sq ft

Peak Height

40 in

N/A

Pack Size

20.5 × 6.0 × 3.0 in

19.5 × 4 in

Number Of Doors

N/A

2

Warranty

N/A

Number Of Vestibules

N/A

2

Pole Structure

Hubbed, pre-bent DIAPOLE™ recycled aluminum poles

N/A

Waterproof Rating

1500 mm

N/A

Vestibule Area

N/A

9 sq ft + 9 sq ft

Setup Time

N/A

N/A

Height

N/A

N/A

Headroom

N/A

40 in

Durability

NEMO Equipment Dragonfly OSMO Ultralight Backpacking Tent

4.4/ 5.0

Big Agnes Copper Spur UL2

4.4/ 5.0

Durability is crucial for backpacking tents as they need to withstand various weather conditions and rough handling. A more durable tent means it will last longer and provide better protection against the elements. Both the NEMO Equipment Dragonfly OSMO and the Big Agnes Copper Spur UL2 score equally in durability, with strong materials and construction. The Dragonfly OSMO uses Nemo osmo fabric and silicone coating, while the Copper Spur UL2 features ripstop nylon and a reinforcement layer. Both are built to last, making this category a tie.

Comfort

NEMO Equipment Dragonfly OSMO Ultralight Backpacking Tent

4.7/ 5.0

Big Agnes Copper Spur UL2

4.6/ 5.0

Comfort is essential for a good night's sleep after a long day of hiking. A comfortable tent offers ample space, headroom, and thoughtful storage options. Both tents excel in comfort, with the Dragonfly OSMO offering ample headroom and shoulder space, and the Copper Spur UL2 providing a spacious interior with plenty of headroom. The slight edge in comfort goes to the Dragonfly OSMO due to its smart storage pockets, but the difference is minimal, resulting in a tie.

Weather Protection

NEMO Equipment Dragonfly OSMO Ultralight Backpacking Tent

4.4/ 5.0

Big Agnes Copper Spur UL2

4.6/ 5.0

Weather protection is vital for staying dry and safe in various conditions. A tent with better weather protection will keep you dry in rain and protected in wind. The Big Agnes Copper Spur UL2 slightly edges out the Dragonfly OSMO in this category. While both tents have excellent rainflies and waterproof construction, the Copper Spur UL2's design provides slightly better protection against rain and wind, making it the winner in weather protection.

Ventilation

NEMO Equipment Dragonfly OSMO Ultralight Backpacking Tent

3.3/ 5.0

Big Agnes Copper Spur UL2

4.1/ 5.0

Proper ventilation helps reduce condensation and keeps the air fresh inside the tent. Better ventilation means a more comfortable sleeping environment. The Big Agnes Copper Spur UL2 has better ventilation compared to the Dragonfly OSMO. The Copper Spur UL2's mesh windows and vents help manage airflow and reduce condensation more effectively, making it the winner in this category.

Ease Of Use

NEMO Equipment Dragonfly OSMO Ultralight Backpacking Tent

4.1/ 5.0

Big Agnes Copper Spur UL2

4.8/ 5.0

Ease of use is important for quick setup and takedown, especially after a long day of hiking. A tent that is easier to set up means less hassle and more time to enjoy your surroundings. The Big Agnes Copper Spur UL2 is easier to use compared to the Dragonfly OSMO. Its freestanding design and color-coded webbing make setup quick and effortless, giving it the edge in this category.

Packability

NEMO Equipment Dragonfly OSMO Ultralight Backpacking Tent

4.6/ 5.0

Big Agnes Copper Spur UL2

4.8/ 5.0

Packability is crucial for backpackers who need to save space and weight. A more packable tent is easier to carry and takes up less space in your backpack. The Big Agnes Copper Spur UL2 is slightly more packable than the Dragonfly OSMO. While both tents are lightweight and compact, the Copper Spur UL2 packs down a bit smaller, making it the winner in packability.

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Conclusion & Final Verdict:

After comparing the NEMO Equipment Dragonfly OSMO and the Big Agnes Copper Spur UL2, it's clear that both tents have their strengths. The Dragonfly OSMO excels in comfort and has a slight edge in durability, while the Copper Spur UL2 offers better weather protection, ventilation, ease of use, and packability.

Final Verdict: If you prioritize comfort and durability, the NEMO Equipment Dragonfly OSMO is a great choice. However, if you need better weather protection, ventilation, and ease of use, the Big Agnes Copper Spur UL2 is the better option.

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