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Arc'teryx Atom LT Hoody vs Rab Mythic Alpine Light Jacket
Weight and specs compared for 2026 — and which one to choose.
Rab Mythic Alpine Light Jacket is the lighter option — 66 g lighter than the Arc'teryx Atom LT Hoody (21% less weight). If grams matter to you, that is the one to beat.
Rab Mythic Alpine Light Jacket
252 g
900 fill power goose down with PrimaLoft Gold, 8.8oz, ultralight insulation jacket
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Arc'teryx Atom LT Hoody vs Rab Mythic Alpine Light Jacket: which should you buy?
If saving weight is your priority, the Rab Mythic Alpine Light Jacket wins — at 252 g it is 66 g (21%) lighter than the Arc'teryx Atom LT Hoody (318 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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