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Patagonia Nano-Air Ultralight Hoody (Men's M) 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 — 107 g lighter than the Patagonia Nano-Air Ultralight Hoody (Men's M) (43% less weight). If grams matter to you, that is the one to beat.
Spec Patagonia Nano-Air Ultralight Hoody (Men's M) Senchi Designs A90 Half-Zip Hoodie
Weight 249 g · 0.249 kg · 0.55 lb 142 g · 0.142 kg · 0.31 lb
Brand Patagonia Senchi Designs
Category Clothing - Mid Layer Clothing - Mid Layer
Patagonia Nano-Air Ultralight Hoody (Men's M)
249 g

Active insulation hoody with 20g FullRange synthetic fill throughout. Highly breathable uninsulated side panels. 8.8 oz. Ideal as a mid-layer for active pursuit...

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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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Patagonia Nano-Air Ultralight Hoody (Men's M) 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 107 g (43%) lighter than the Patagonia Nano-Air Ultralight Hoody (Men's M) (249 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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