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Pieps Micro BT vs SOL Thermal Bivvy
Weight and specs compared for 2026 — and which one to choose.
SOL Thermal Bivvy is the lighter option — 5 g lighter than the Pieps Micro BT (3% less weight). If grams matter to you, that is the one to beat.
Pieps Micro BT vs SOL Thermal Bivvy: which should you buy?
If saving weight is your priority, the SOL Thermal Bivvy wins — at 170 g it is 5 g (3%) 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.