Norrona Trollveggen Thermal Pro Jacket vs Senchi Designs A90 Half-Zip Hoodie

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

Senchi Designs A90 Half-Zip Hoodie is the lighter option — 388 g lighter than the Norrona Trollveggen Thermal Pro Jacket (73% less weight). If grams matter to you, that is the one to beat.

Spec	Norrona Trollveggen Thermal Pro Jacket	Senchi Designs A90 Half-Zip Hoodie
Weight	530 g · 0.530 kg · 1.17 lb	142 g · 0.142 kg · 0.31 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 A90 Half-Zip Hoodie

142 g

Active insulation mid-layer using Polartec Alpha Direct 90, delivering outstanding warmth-to-weight ratio and breathability for aerobic output.

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Norrona Trollveggen Thermal Pro Jacket vs Senchi Designs A90 Half-Zip Hoodie: which should you buy?

If saving weight is your priority, the Senchi Designs A90 Half-Zip Hoodie wins — at 142 g it is 388 g (73%) 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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