Arc'teryx Gamma Lightweight Hoody vs Arc'teryx Proton LT Hoody
Weight and specs compared for 2026 — and which one to choose.
Ultralight softshell mid-layer at 9.2 ounces. Windproof and breathable without insulation, designed for active outdoor pursuits requiring minimal weight.
Synthetic insulated hoody with excellent moisture management.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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Arc'teryx Gamma Lightweight Hoody vs Arc'teryx Proton LT Hoody: which should you buy?
If saving weight is your priority, the Arc'teryx Gamma Lightweight Hoody wins — at 261 g it is 24 g (8%) lighter than the Arc'teryx Proton LT Hoody (285 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.