Arc'teryx Cerium LT Hoody 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 — 148 g lighter than the Arc'teryx Cerium LT Hoody (51% less weight). If grams matter to you, that is the one to beat.

Spec	Arc'teryx Cerium LT Hoody	Senchi Designs A90 Half-Zip Hoodie
Weight	290 g · 0.290 kg · 0.64 lb	142 g · 0.142 kg · 0.31 lb
Brand	Arc'teryx	Senchi Designs
Category	Clothing - Mid Layer	Clothing - Mid Layer

Arc'teryx Cerium LT Hoody

290 g

Lightweight 750-fill down hoody for cold belay sessions.

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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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Arc'teryx Cerium LT Hoody 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 148 g (51%) lighter than the Arc'teryx Cerium LT Hoody (290 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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