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Big Agnes Copper Spur HV UL1 vs SlingFin SplitWing UL Tarp

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

SlingFin SplitWing UL Tarp is the lighter option — 626 g lighter than the Big Agnes Copper Spur HV UL1 (74% less weight). If grams matter to you, that is the one to beat.
Spec Big Agnes Copper Spur HV UL1 SlingFin SplitWing UL Tarp
Weight 850 g · 0.850 kg · 1.87 lb 224 g · 0.224 kg · 0.49 lb
Brand Big Agnes SlingFin
Category Shelter Shelter
Big Agnes Copper Spur HV UL1
850 g

Ultralight 1-person freestanding tent with large vestibule.

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SlingFin SplitWing UL Tarp
224 g

Minimal trekking-pole-supported tarp in 10D Nylon 66 ripstop sil/sil. Modular SplitWing system pairs with a mesh body and vestibule for full coverage.

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Big Agnes Copper Spur HV UL1 vs SlingFin SplitWing UL Tarp: which should you buy?

If saving weight is your priority, the SlingFin SplitWing UL Tarp wins — at 224 g it is 626 g (74%) lighter than the Big Agnes Copper Spur HV UL1 (850 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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