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Gossamer Gear Murmur 36 Hyperlight Backpack vs Zpacks Arc Scout 37L

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Gossamer Gear Murmur 36 Hyperlight Backpack Zpacks Arc Scout 37L
Weight 225 g · 0.225 kg · 0.50 lb
as listed, one size only; without the optional torso pad (with pad 304 g)
 390 g · 0.390 kg · 0.86 lb
Brand Gossamer Gear Zpacks
Category Backpack Backpack
Gossamer Gear Murmur 36 Hyperlight Backpack
225 g

Frameless 36L hyperlight thru-hiking pack made from ALUULA Graflyte fabric, with roll-top closure and included torso pad.

See it in your base weight → Full details →
Zpacks Arc Scout 37L
390 g

Compact Dyneema frameless pack for lightweight overnighters.

See it in your base weight → Full details →

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Gossamer Gear Murmur 36 Hyperlight Backpack vs Zpacks Arc Scout 37L: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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