LifeStraw Peak Solo vs Nalgene Wide Mouth 1L
Weight and specs compared for 2026 — and which one to choose.
Ultracompact water filter weighing just 1.7oz. Uses 0.2 micron membrane to remove 99.999999% bacteria and filters up to 2000 liters with 3L/min flow.
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LifeStraw Peak Solo vs Nalgene Wide Mouth 1L: which should you buy?
If saving weight is your priority, the LifeStraw Peak Solo wins — at 48 g it is 130 g (73%) lighter than the Nalgene Wide Mouth 1L (178 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 hygiene page, or browse the full gear weight database.