Arc'teryx Alpha SL Jacket (men's) vs Rab Phantom Waterproof Jacket
Weight and specs compared for 2026 — and which one to choose.
The lightest GORE-TEX PRO shell in the Arc'teryx range, designed for alpine climbing with helmet-compatible hood and minimalist construction.
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 →Arc'teryx Alpha SL 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 111 g (49%) lighter than the Arc'teryx Alpha SL Jacket (men's) (227 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.