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Montbell U.L. Thermawrap Jacket vs Rab Ascendor Light Hoody

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

Rab Ascendor Light Hoody is the lighter option — 34 g lighter than the Montbell U.L. Thermawrap Jacket (15% less weight). If grams matter to you, that is the one to beat.
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Spec Montbell U.L. Thermawrap Jacket Rab Ascendor Light Hoody
Weight 227 g · 0.227 kg · 0.50 lb 193 g · 0.193 kg · 0.43 lb
Brand Montbell Rab
Category Clothing - Mid Layer Clothing - Mid Layer
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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Rab Ascendor Light Hoody
193 g

Lightweight fleece hoody combining warmth and breathability for active users.

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Montbell U.L. Thermawrap Jacket vs Rab Ascendor Light Hoody: which should you buy?

If saving weight is your priority, the Rab Ascendor Light Hoody wins — at 193 g it is 34 g (15%) 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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