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Marmot Precip Eco vs Outdoor Research Helium UL Rain Jacket
Weight and specs compared for 2026 — and which one to choose.
Outdoor Research Helium UL Rain Jacket is the lighter option — 207 g lighter than the Marmot Precip Eco (56% less weight). If grams matter to you, that is the one to beat.
Marmot Precip Eco
368 g
Budget-friendly waterproof jacket made from recycled materials.
Full details →Outdoor Research Helium UL Rain Jacket
161 g
2.75-layer ultralight rain jacket with 15-denier Pertex Shield shell. Packs into its own chest pocket. Rated for sustained heavy rain.
Check price Full details →Marmot Precip Eco vs Outdoor Research Helium UL Rain Jacket: which should you buy?
If saving weight is your priority, the Outdoor Research Helium UL Rain Jacket wins — at 161 g it is 207 g (56%) lighter than the Marmot Precip Eco (368 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.