Black Diamond Oz Screwgate Carabiner vs SOL Thermal Bivvy

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

Black Diamond Oz Screwgate Carabiner is the lighter option — 138 g lighter than the SOL Thermal Bivvy (81% less weight). If grams matter to you, that is the one to beat.

Spec	Black Diamond Oz Screwgate Carabiner	SOL Thermal Bivvy
Weight	32 g · 0.032 kg · 0.07 lb	170 g · 0.170 kg · 0.37 lb
Brand	Black Diamond	SOL
Category	Safety	Safety

Black Diamond Oz Screwgate Carabiner

32 g

Ultralight screwgate carabiner for via ferrata.

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SOL Thermal Bivvy

170 g

Reusable emergency bivvy. Warmer than mylar alternatives.

Full details →

Black Diamond Oz Screwgate Carabiner vs SOL Thermal Bivvy: which should you buy?

If saving weight is your priority, the Black Diamond Oz Screwgate Carabiner wins — at 32 g it is 138 g (81%) lighter than the SOL Thermal Bivvy (170 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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