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SOL Escape Bivvy vs SPOT Gen4

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

SOL Escape Bivvy is the lighter option — 7 g lighter than the SPOT Gen4 (5% less weight). If grams matter to you, that is the one to beat.
Spec SOL Escape Bivvy SPOT Gen4
Weight 142 g · 0.142 kg · 0.31 lb 149 g · 0.149 kg · 0.33 lb
Brand SOL SPOT
Category Safety Safety
SOL Escape Bivvy
142 g

Breathable emergency bivvy bag. Reflects 70% of body heat.

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SPOT Gen4
149 g

One-way satellite tracker with SOS capability.

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SOL Escape Bivvy vs SPOT Gen4: which should you buy?

If saving weight is your priority, the SOL Escape Bivvy wins — at 142 g it is 7 g (5%) lighter than the SPOT Gen4 (149 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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