Norrona Trollveggen Thermal Pro Jacket vs Senchi Designs Alpha 90 Hoodie

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

Senchi Designs Alpha 90 Hoodie is the lighter option — 445 g lighter than the Norrona Trollveggen Thermal Pro Jacket (84% less weight). If grams matter to you, that is the one to beat.

Spec	Norrona Trollveggen Thermal Pro Jacket	Senchi Designs Alpha 90 Hoodie
Weight	530 g · 0.530 kg · 1.17 lb	85 g · 0.085 kg · 0.19 lb
Brand	Norrona	Senchi Designs
Category	Clothing - Mid Layer	Clothing - Mid Layer

Norrona Trollveggen Thermal Pro Jacket

530 g

Polartec Thermal Pro fleece for demanding mountain use.

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Senchi Designs Alpha 90 Hoodie

85 g

Ultralight Alpha Direct 90 grid-fleece hoodie offering excellent breathability-to-weight for active hiking.

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Norrona Trollveggen Thermal Pro Jacket vs Senchi Designs Alpha 90 Hoodie: which should you buy?

If saving weight is your priority, the Senchi Designs Alpha 90 Hoodie wins — at 85 g it is 445 g (84%) lighter than the Norrona Trollveggen Thermal Pro Jacket (530 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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