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Big Agnes Copper Spur HV UL2 vs Slingfin Portal 2 Tent

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

Big Agnes Copper Spur HV UL2 is the lighter option — 300 g lighter than the Slingfin Portal 2 Tent (22% less weight). If grams matter to you, that is the one to beat.
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Spec Big Agnes Copper Spur HV UL2 Slingfin Portal 2 Tent
Weight 1,060 g · 1.060 kg · 2.34 lb 1,360 g · 1.360 kg · 3.00 lb
Brand Big Agnes Slingfin
Category Shelter Shelter
Big Agnes Copper Spur HV UL2
1,060 g

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

Full details →
Slingfin Portal 2 Tent
1,360 g

Sub-3lb freestanding 2P tent with dual doors and ample vestibule storage.

Full details →

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Big Agnes Copper Spur HV UL2 vs Slingfin Portal 2 Tent: which should you buy?

If saving weight is your priority, the Big Agnes Copper Spur HV UL2 wins — at 1,060 g it is 300 g (22%) lighter than the Slingfin Portal 2 Tent (1,360 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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