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Gregory Facet 55 vs Zpacks Arc Scout 37L

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

Zpacks Arc Scout 37L is the lighter option — 1,100 g lighter than the Gregory Facet 55 (74% less weight). If grams matter to you, that is the one to beat.
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Spec Gregory Facet 55 Zpacks Arc Scout 37L
Weight 1,490 g · 1.490 kg · 3.28 lb 390 g · 0.390 kg · 0.86 lb
Brand Gregory Zpacks
Category Backpack Backpack
Gregory Facet 55
1,490 g

Women's 55L lightweight pack with AeroFloat suspension.

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Zpacks Arc Scout 37L
390 g

Compact Dyneema frameless pack for lightweight overnighters.

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Gregory Facet 55 vs Zpacks Arc Scout 37L: which should you buy?

If saving weight is your priority, the Zpacks Arc Scout 37L wins — at 390 g it is 1,100 g (74%) lighter than the Gregory Facet 55 (1,490 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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