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Black Diamond Stormline Stretch Rain Shell vs OMM waterproof Kamleika Cap
Weight and specs compared for 2026 — and which one to choose.
OMM waterproof Kamleika Cap is the lighter option — 190 g lighter than the Black Diamond Stormline Stretch Rain Shell (86% less weight). If grams matter to you, that is the one to beat.
Black Diamond Stormline Stretch Rain Shell
220 g
Packable waterproof shell with stretch for climbing.
Full details →Black Diamond Stormline Stretch Rain Shell vs OMM waterproof Kamleika Cap: which should you buy?
If saving weight is your priority, the OMM waterproof Kamleika Cap wins — at 30 g it is 190 g (86%) lighter than the Black Diamond Stormline Stretch Rain Shell (220 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.
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