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Ortovox Bivy Ultralight vs SOL Thermal Bivvy

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

SOL Thermal Bivvy is the lighter option — 28 g lighter than the Ortovox Bivy Ultralight (14% less weight). If grams matter to you, that is the one to beat.
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Spec Ortovox Bivy Ultralight SOL Thermal Bivvy
Weight 198 g · 0.198 kg · 0.44 lb 170 g · 0.170 kg · 0.37 lb
Brand Ortovox SOL
Category Safety Safety
Ortovox Bivy Ultralight
198 g

Lightweight emergency shelter at only 7 oz. Insurance against unexpected weather conditions.

See it in your base weight → Full details →
SOL Thermal Bivvy
170 g

Reusable emergency bivvy. Warmer than mylar alternatives.

See it in your base weight → Full details →

Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.

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Ortovox Bivy Ultralight vs SOL Thermal Bivvy: which should you buy?

If saving weight is your priority, the SOL Thermal Bivvy wins — at 170 g it is 28 g (14%) lighter than the Ortovox Bivy Ultralight (198 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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