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Bear Grylls Emergency Bivy vs Pieps Micro BT
Weight and specs compared for 2026 — and which one to choose.
Bear Grylls Emergency Bivy is the lighter option — 62 g lighter than the Pieps Micro BT (35% less weight). If grams matter to you, that is the one to beat.
Bear Grylls Emergency Bivy
113 g
Tear and puncture-resistant mylar bivy. Only 4 oz for emergency backup shelter.
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Bear Grylls Emergency Bivy vs Pieps Micro BT: which should you buy?
If saving weight is your priority, the Bear Grylls Emergency Bivy wins — at 113 g it is 62 g (35%) lighter than the Pieps Micro BT (175 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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