Arc'teryx Helium Jacket vs Montane Minimus Smock
Weight and specs compared for 2026 — and which one to choose.
Ultralight waterproof-breathable rain jacket at 5.7 oz using N10p-X AC nylon with Gore-Tex technology. Packable into chest pocket. Men's medium.
Full details →Ultralight hardshell rain jacket at just 5 ounces. Minimalist design with half-length zip, no adjustable cuffs or hood. Designed to shed weight while maintainin...
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Arc'teryx Helium Jacket vs Montane Minimus Smock: which should you buy?
If saving weight is your priority, the Montane Minimus Smock wins — at 142 g it is 20 g (12%) lighter than the Arc'teryx Helium Jacket (162 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 - outer layer page, or browse the full gear weight database.