← Gear database

Patagonia Nano Puff 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 — 199 g lighter than the Patagonia Nano Puff Jacket (58% less weight). If grams matter to you, that is the one to beat.
Spec Patagonia Nano Puff Jacket Senchi Designs A90 Half-Zip Hoodie
Weight 341 g · 0.341 kg · 0.75 lb 142 g · 0.142 kg · 0.31 lb
Brand Patagonia Senchi Designs
Category Clothing - Mid Layer Clothing - Mid Layer
Patagonia Nano Puff Jacket
341 g

PrimaLoft insulated jacket. Packable and water-resistant.

Full details →
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 →

Patagonia Nano Puff 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 199 g (58%) lighter than the Patagonia Nano Puff Jacket (341 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.

More clothing - mid layer comparisons