Forclaz MT900 Hooded Down Jacket vs Norrona Trollveggen Thermal Pro Jacket

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

Norrona Trollveggen Thermal Pro Jacket is the lighter option — 40 g lighter than the Forclaz MT900 Hooded Down Jacket (7% less weight). If grams matter to you, that is the one to beat.

Spec	Forclaz MT900 Hooded Down Jacket	Norrona Trollveggen Thermal Pro Jacket
Weight	570 g · 0.570 kg · 1.26 lb	530 g · 0.530 kg · 1.17 lb
Brand	Forclaz	Norrona
Category	Clothing - Mid Layer	Clothing - Mid Layer

Forclaz MT900 Hooded Down Jacket

570 g

Hooded down puffer for cold mountain and trekking conditions, offering high warmth-to-weight insulation at an accessible price.

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Norrona Trollveggen Thermal Pro Jacket

530 g

Polartec Thermal Pro fleece for demanding mountain use.

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Forclaz MT900 Hooded Down Jacket vs Norrona Trollveggen Thermal Pro Jacket: which should you buy?

If saving weight is your priority, the Norrona Trollveggen Thermal Pro Jacket wins — at 530 g it is 40 g (7%) lighter than the Forclaz MT900 Hooded Down Jacket (570 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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