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Gregory Facet 55 vs REI Co-op Flash 55

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

REI Co-op Flash 55 is the lighter option — 130 g lighter than the Gregory Facet 55 (9% less weight). If grams matter to you, that is the one to beat.
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Spec Gregory Facet 55 REI Co-op Flash 55
Weight 1,490 g · 1.490 kg · 3.28 lb 1,360 g · 1.360 kg · 3.00 lb
Brand Gregory REI Co-op
Category Backpack Backpack
Gregory Facet 55
1,490 g

Women's 55L lightweight pack with AeroFloat suspension.

See it in your base weight → Full details →
REI Co-op Flash 55
1,360 g

Lightweight 55L pack designed for trail-focused backpacking.

See it in your base weight → Full details →

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Gregory Facet 55 vs REI Co-op Flash 55: which should you buy?

If saving weight is your priority, the REI Co-op Flash 55 wins — at 1,360 g it is 130 g (9%) 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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