Alton Goods Ultralight Groundsheet vs Cnoc Outdoors ThruBottle 1000
Weight and specs compared for 2026 — and which one to choose.
Minimalist ground protection at 6.4 ounces. All accessories included for easy tent setup.
Full details →Lightweight 1L collapsible water container designed for hollow-fiber water filters. Direct filtration capability. Minimal weight for multi-day backpacking.
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Alton Goods Ultralight Groundsheet vs Cnoc Outdoors ThruBottle 1000: which should you buy?
If saving weight is your priority, the Cnoc Outdoors ThruBottle 1000 wins — at 62 g it is 120 g (66%) lighter than the Alton Goods Ultralight Groundsheet (182 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 miscellaneous page, or browse the full gear weight database.