Outdoor Research Helium UL Jacket (men's) vs Rab Phantom Waterproof Jacket
Weight and specs compared for 2026 — and which one to choose.
Minimalist rain jacket in 2.75-layer 15D Toray Dermizax fabric. Packs into its own pocket for easy stowing. 5.7 oz.
Check price Full details →Ultralight waterproof hardshell with Pertex Shield fabric, extremely packable with minimalist design. Exceptional protection-to-weight ratio.
Check price Full details →Outdoor Research Helium UL Jacket (men's) vs Rab Phantom Waterproof Jacket: which should you buy?
If saving weight is your priority, the Rab Phantom Waterproof Jacket wins — at 116 g it is 45 g (28%) lighter than the Outdoor Research Helium UL Jacket (men's) (161 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.