Alton Goods Ultralight Groundsheet vs Cnoc ThruBottle 1000ml
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 water bottle at 2.2 ounces with threading for filters.
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Alton Goods Ultralight Groundsheet vs Cnoc ThruBottle 1000ml: which should you buy?
If saving weight is your priority, the Cnoc ThruBottle 1000ml 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.