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Arc'teryx Atom 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 — 176 g lighter than the Arc'teryx Atom LT Hoody (55% less weight). If grams matter to you, that is the one to beat.
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.
Check price Full details →Arc'teryx Atom 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 176 g (55%) lighter than the Arc'teryx Atom LT Hoody (318 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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