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Bear Grylls Emergency Bivy vs Camp Photon

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

Camp Photon is the lighter option — 84 g lighter than the Bear Grylls Emergency Bivy (74% less weight). If grams matter to you, that is the one to beat.
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Spec Bear Grylls Emergency Bivy Camp Photon
Weight 113 g · 0.113 kg · 0.25 lb 29 g · 0.029 kg · 0.06 lb
Brand Bear Grylls Camp
Category Safety Safety
Bear Grylls Emergency Bivy
113 g

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

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Camp Photon
29 g

Compact carabiner at 1.02oz. Ideal for alpine and trad climbing.

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Bear Grylls Emergency Bivy vs Camp Photon: which should you buy?

If saving weight is your priority, the Camp Photon wins — at 29 g it is 84 g (74%) 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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