Black Diamond Fineline Stretch Shell vs Rab Phantom Waterproof Jacket
Weight and specs compared for 2026 — and which one to choose.
4-way stretch waterproof shell at 11.3 oz (320g) for men, featuring stretchy fabric for climbing and technical movement.
Full details →Ultralight waterproof hardshell with Pertex Shield fabric, extremely packable with minimalist design. Exceptional protection-to-weight ratio.
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Black Diamond Fineline Stretch Shell 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 204 g (64%) lighter than the Black Diamond Fineline Stretch Shell (320 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.