Patagonia Nano Air Light Vest vs Senchi Designs A90 Half-Zip Hoodie
Weight and specs compared for 2026 — and which one to choose.
Ultra-lightweight synthetic vest at 7 oz. Perfect layering piece for minimal weight.
Full details →Active insulation mid-layer using Polartec Alpha Direct 90, delivering outstanding warmth-to-weight ratio and breathability for aerobic output.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Patagonia Nano Air Light Vest 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 56 g (28%) lighter than the Patagonia Nano Air Light Vest (198 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.