Black Diamond Fineline Stretch Shell vs Rab Kinetic Alpine 2.0
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 →Stretch waterproof hardshell using Proflex membrane fabric for a soft, breathable feel with a helmet-compatible hood.
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Black Diamond Fineline Stretch Shell vs Rab Kinetic Alpine 2.0: which should you buy?
If saving weight is your priority, the Black Diamond Fineline Stretch Shell wins — at 320 g it is 15 g (4%) lighter than the Rab Kinetic Alpine 2.0 (335 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.