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LifeStraw Peak Series Collapsible Squeeze 1L vs LifeStraw Peak Series Collapsible Squeeze 650ml

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

LifeStraw Peak Series Collapsible Squeeze 650ml is the lighter option — 2 g lighter than the LifeStraw Peak Series Collapsible Squeeze 1L (2% less weight). If grams matter to you, that is the one to beat.
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Spec LifeStraw Peak Series Collapsible Squeeze 1L LifeStraw Peak Series Collapsible Squeeze 650ml
Weight 102 g · 0.102 kg · 0.22 lb 100 g · 0.100 kg · 0.22 lb
Brand LifeStraw LifeStraw
Category Hygiene Hygiene
LifeStraw Peak Series Collapsible Squeeze 1L
102 g

1-liter ultralight collapsible water filter bottle.

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LifeStraw Peak Series Collapsible Squeeze 650ml
100 g

Ultralight collapsible water filter bottle at only 3.5 ounces.

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LifeStraw Peak Series Collapsible Squeeze 1L vs LifeStraw Peak Series Collapsible Squeeze 650ml: which should you buy?

If saving weight is your priority, the LifeStraw Peak Series Collapsible Squeeze 650ml wins — at 100 g it is 2 g (2%) lighter than the LifeStraw Peak Series Collapsible Squeeze 1L (102 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.

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