Black Diamond Deploy Down Jacket vs Montbell U.L. Thermawrap Jacket

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

Black Diamond Deploy Down Jacket is the lighter option — 77 g lighter than the Montbell U.L. Thermawrap Jacket (34% less weight). If grams matter to you, that is the one to beat.

Spec	Black Diamond Deploy Down Jacket	Montbell U.L. Thermawrap Jacket
Weight	150 g · 0.150 kg · 0.33 lb	227 g · 0.227 kg · 0.50 lb
Brand	Black Diamond	Montbell
Category	Clothing - Mid Layer	Clothing - Mid Layer

Black Diamond Deploy Down Jacket

150 g

Ultra-packable 800-fill down jacket at just 5.3 oz. Water-repellent DWR shell, helmet-compatible hood. Excellent warmth-to-weight ratio for shoulder-season and...

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Montbell U.L. Thermawrap Jacket

227 g

Ultralight synthetic Exceloft insulated jacket with 15D Ballistic Airlight nylon shell, highly packable for cool weather.

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Black Diamond Deploy Down Jacket vs Montbell U.L. Thermawrap Jacket: which should you buy?

If saving weight is your priority, the Black Diamond Deploy Down Jacket wins — at 150 g it is 77 g (34%) lighter than the Montbell U.L. Thermawrap Jacket (227 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 clothing - mid layer page, or browse the full gear weight database.

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