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ACR Electronics Bivy Stick vs Bear Grylls Emergency Bivy

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

ACR Electronics Bivy Stick is the lighter option — 13 g lighter than the Bear Grylls Emergency Bivy (12% less weight). If grams matter to you, that is the one to beat.
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Spec ACR Electronics Bivy Stick Bear Grylls Emergency Bivy
Weight 100 g · 0.100 kg · 0.22 lb 113 g · 0.113 kg · 0.25 lb
Brand ACR Electronics Bear Grylls
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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Bear Grylls Emergency Bivy
113 g

Tear and puncture-resistant mylar bivy. Only 4 oz for emergency backup shelter.

See it in your base weight → Full details →

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ACR Electronics Bivy Stick vs Bear Grylls Emergency Bivy: which should you buy?

If saving weight is your priority, the ACR Electronics Bivy Stick wins — at 100 g it is 13 g (12%) lighter than the Bear Grylls Emergency Bivy (113 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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