Arc'teryx Helium Jacket vs Outdoor Research Helium UL Jacket (men's)
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.
Minimalist rain jacket in 2.75-layer 15D Toray Dermizax fabric. Packs into its own pocket for easy stowing. 5.7 oz.
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 Helium Jacket vs Outdoor Research Helium UL Jacket (men's): which should you buy?
If saving weight is your priority, the Outdoor Research Helium UL Jacket (men's) wins — at 161 g it is 1 g (1%) 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.