Big Agnes Copper Spur HV UL2 vs Hilleberg Akto

Weight and specs compared for 2026 — and which one to choose.

Hilleberg Akto is the lighter option — 60 g lighter than the Big Agnes Copper Spur HV UL2 (6% less weight). If grams matter to you, that is the one to beat.

Spec	Big Agnes Copper Spur HV UL2	Hilleberg Akto
Weight	1,060 g · 1.060 kg · 2.34 lb	1,000 g · 1.000 kg · 2.20 lb
Brand	Big Agnes	Hilleberg
Category	Shelter	Shelter

Big Agnes Copper Spur HV UL2

1,060 g

Ultralight 2-person freestanding tent. Best-in-class weight.

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Hilleberg Akto

1,000 g

Compact 1-person 4-season tent. Perfect for solo alpine expeditions.

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Big Agnes Copper Spur HV UL2 vs Hilleberg Akto: which should you buy?

If saving weight is your priority, the Hilleberg Akto wins — at 1,000 g it is 60 g (6%) lighter than the Big Agnes Copper Spur HV UL2 (1,060 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest shelter page, or browse the full gear weight database.

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