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Arc'teryx Proton LT Hoody vs Rab Xenair Alpine Light Jacket
Weight and specs compared for 2026 — and which one to choose.
Arc'teryx Proton LT Hoody is the lighter option — 51 g lighter than the Rab Xenair Alpine Light Jacket (15% less weight). If grams matter to you, that is the one to beat.
Arc'teryx Proton LT Hoody
285 g
Synthetic insulated hoody with excellent moisture management.
Full details →Rab Xenair Alpine Light Jacket
336 g
Stretch synthetic insulated jacket with Stratus PrimaLoft and a wind-resistant face, made for active mountain layering.
Check price Full details →Arc'teryx Proton LT Hoody vs Rab Xenair Alpine Light Jacket: which should you buy?
If saving weight is your priority, the Arc'teryx Proton LT Hoody wins — at 285 g it is 51 g (15%) lighter than the Rab Xenair Alpine Light Jacket (336 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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