ACR Electronics Bivy Stick vs Katadyn BeFree 1.0L

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

Katadyn BeFree 1.0L is the lighter option — 43 g lighter than the ACR Electronics Bivy Stick (43% less weight). If grams matter to you, that is the one to beat.

Spec	ACR Electronics Bivy Stick	Katadyn BeFree 1.0L
Weight	100 g · 0.100 kg · 0.22 lb	57 g · 0.057 kg · 0.13 lb
Brand	ACR Electronics	Katadyn
Category	Safety	Safety

ACR Electronics Bivy Stick

100 g

Compact two-way satellite communicator with SOS, GPS tracking and app-based messaging over the global Iridium network.

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Katadyn BeFree 1.0L

57 g

Flow-optimized 0.1-micron EZ-Clean hollow fiber filter integrated with 1L soft flask. Delivers 2L per minute filtration without pumping.

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ACR Electronics Bivy Stick vs Katadyn BeFree 1.0L: which should you buy?

If saving weight is your priority, the Katadyn BeFree 1.0L wins — at 57 g it is 43 g (43%) lighter than the ACR Electronics Bivy Stick (100 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 safety page, or browse the full gear weight database.

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