Arc'teryx Beta SL Jacket vs OMM waterproof Kamleika Cap

Weight and specs compared for 2026 — and which one to choose.

OMM waterproof Kamleika Cap is the lighter option — 310 g lighter than the Arc'teryx Beta SL Jacket (91% less weight). If grams matter to you, that is the one to beat.

Spec	Arc'teryx Beta SL Jacket	OMM waterproof Kamleika Cap
Weight	340 g · 0.340 kg · 0.75 lb	30 g · 0.030 kg · 0.07 lb
Brand	Arc'teryx	OMM
Category	Clothing - Outer Layer	Clothing - Outer Layer

Arc'teryx Beta SL Jacket

340 g

Versatile 3-layer GORE-TEX rain jacket for hiking and alpine use. Minimalist design with two hand pockets and a helmet-compatible StormHood for full protection.

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OMM waterproof Kamleika Cap

30 g

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Arc'teryx Beta SL Jacket 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 310 g (91%) lighter than the Arc'teryx Beta SL Jacket (340 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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