MSR TrailShot vs Sea to Summit Wilderness Wash 100ml

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

Sea to Summit Wilderness Wash 100ml is the lighter option — 21 g lighter than the MSR TrailShot (15% less weight). If grams matter to you, that is the one to beat.

Spec	MSR TrailShot	Sea to Summit Wilderness Wash 100ml
Weight	141 g · 0.141 kg · 0.31 lb	120 g · 0.120 kg · 0.26 lb
Brand	MSR	Sea to Summit
Category	Hygiene	Hygiene

MSR TrailShot

141 g

Pocket-sized squeezable water filter. Fast flow rate.

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Sea to Summit Wilderness Wash 100ml

120 g

Biodegradable all-purpose soap for use near waterways.

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MSR TrailShot vs Sea to Summit Wilderness Wash 100ml: which should you buy?

If saving weight is your priority, the Sea to Summit Wilderness Wash 100ml wins — at 120 g it is 21 g (15%) 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.

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