Patagonia Ascensionist 35L vs Salomon ADV Skin 12

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

Salomon ADV Skin 12 is the lighter option — 478 g lighter than the Patagonia Ascensionist 35L (65% less weight). If grams matter to you, that is the one to beat.

Spec	Patagonia Ascensionist 35L	Salomon ADV Skin 12
Weight	738 g · 0.738 kg · 1.63 lb	260 g · 0.260 kg · 0.57 lb
Brand	Patagonia	Salomon
Category	Backpack	Backpack

Patagonia Ascensionist 35L

738 g

Lightweight climbing and hiking 35L pack.

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Salomon ADV Skin 12

260 g

Ultra-light 12L trail running and fastpacking vest.

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Patagonia Ascensionist 35L vs Salomon ADV Skin 12: which should you buy?

If saving weight is your priority, the Salomon ADV Skin 12 wins — at 260 g it is 478 g (65%) lighter than the Patagonia Ascensionist 35L (738 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 backpack page, or browse the full gear weight database.

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