Big Agnes Copper Spur HV UL1 vs Hyperlite Mountain Gear Flat Tarp 8'6"
Weight and specs compared for 2026 — and which one to choose.
Ultralight 1-person freestanding tent with large vestibule.
Full details →Minimalist Dyneema Composite Fabric square tarp (8'6"x8'6"). Extremely packable, 100% waterproof. Versatile ultralight bivy shelter for experienced campers.
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Big Agnes Copper Spur HV UL1 vs Hyperlite Mountain Gear Flat Tarp 8'6": which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear Flat Tarp 8'6" wins — at 255 g it is 595 g (70%) 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.