Arc'teryx Atom Jacket vs LGT Balaclava

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

LGT Balaclava is the lighter option — 327 g lighter than the Arc'teryx Atom Jacket (92% less weight). If grams matter to you, that is the one to beat.

Spec	Arc'teryx Atom Jacket	LGT Balaclava
Weight	355 g · 0.355 kg · 0.78 lb	28 g · 0.028 kg · 0.06 lb
Brand	Arc'teryx	LGT
Category	Clothing - Mid Layer	Clothing - Mid Layer

Arc'teryx Atom Jacket

355 g

Insulated mid-layer with Coreloft Compact synthetic fill and stretch panels. PFAS-free DWR finish (2025). Versatile for active use in cold wet conditions.

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LGT Balaclava

28 g

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Arc'teryx Atom Jacket vs LGT Balaclava: which should you buy?

If saving weight is your priority, the LGT Balaclava wins — at 28 g it is 327 g (92%) lighter than the Arc'teryx Atom Jacket (355 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 - mid layer page, or browse the full gear weight database.

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