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LifeStraw Peak Series Collapsible Squeeze 650ml vs MSR TrailShot

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

LifeStraw Peak Series Collapsible Squeeze 650ml is the lighter option — 41 g lighter than the MSR TrailShot (29% less weight). If grams matter to you, that is the one to beat.
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Spec LifeStraw Peak Series Collapsible Squeeze 650ml MSR TrailShot
Weight 100 g · 0.100 kg · 0.22 lb 141 g · 0.141 kg · 0.31 lb
Brand LifeStraw MSR
Category Hygiene Hygiene
LifeStraw Peak Series Collapsible Squeeze 650ml
100 g

Ultralight collapsible water filter bottle at only 3.5 ounces.

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MSR TrailShot
141 g

Pocket-sized squeezable water filter. Fast flow rate.

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LifeStraw Peak Series Collapsible Squeeze 650ml vs MSR TrailShot: which should you buy?

If saving weight is your priority, the LifeStraw Peak Series Collapsible Squeeze 650ml wins — at 100 g it is 41 g (29%) lighter than the MSR TrailShot (141 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.

More hygiene comparisons