Arc'teryx Helium Jacket vs Rab Phantom Jacket
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.
Check price Full details →One of the lightest waterproof jackets available. GORE-TEX Paclite Plus, fully seam-sealed, packs into chest pocket. Essential ultralight hardshell. Men's.
Check price Full details →Arc'teryx Helium Jacket vs Rab Phantom Jacket: which should you buy?
If saving weight is your priority, the Arc'teryx Helium Jacket wins — at 162 g it is 17 g (9%) lighter than the Rab Phantom Jacket (179 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.