BCA Float 32 Airbag Pack vs Fox 40 Micro Whistle

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

Fox 40 Micro Whistle is the lighter option — 3,190 g lighter than the BCA Float 32 Airbag Pack (100% less weight). If grams matter to you, that is the one to beat.

Spec	BCA Float 32 Airbag Pack	Fox 40 Micro Whistle
Weight	3,200 g · 3.200 kg · 7.05 lb	10 g · 0.010 kg · 0.02 lb
Brand	BCA	Fox 40
Category	Safety	Safety

BCA Float 32 Airbag Pack

3,200 g

Avalanche airbag pack for ski touring and winter hiking.

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Fox 40 Micro Whistle

10 g

Pealess safety whistle audible up to 1km.

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BCA Float 32 Airbag Pack vs Fox 40 Micro Whistle: which should you buy?

If saving weight is your priority, the Fox 40 Micro Whistle wins — at 10 g it is 3,190 g (100%) lighter than the BCA Float 32 Airbag Pack (3,200 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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