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Arc'teryx Beta AR 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 — 465 g lighter than the Arc'teryx Beta AR Jacket (94% less weight). If grams matter to you, that is the one to beat.
Spec Arc'teryx Beta AR Jacket OMM waterproof Kamleika Cap
Weight 495 g · 0.495 kg · 1.09 lb 30 g · 0.030 kg · 0.07 lb
Brand Arc'teryx OMM
Category Clothing - Outer Layer Clothing - Outer Layer
Arc'teryx Beta AR Jacket
495 g

All-round Gore-Tex Pro shell jacket. Highly durable.

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OMM waterproof Kamleika Cap
30 g
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Arc'teryx Beta AR 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 465 g (94%) lighter than the Arc'teryx Beta AR Jacket (495 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.

More clothing - outer layer comparisons