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Gossamer Gear Kumo 36 Superlight vs Liteway Biggie Pack Ultra 45L

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 Kumo 36 Superlight Liteway Biggie Pack Ultra 45L
Weight 567 g · 0.567 kg · 1.25 lb
size Medium; total including Fast belt and Sitlight pad (Small: 536 g)
570 g · 0.570 kg · 1.26 lb
Brand Gossamer Gear Liteway
Category Backpack Backpack
Gossamer Gear Kumo 36 Superlight
567 g

Frameless 36L ultralight pack in recycled Robic nylon, ideal for day hikes and minimalist overnight loads up to 25 lbs.

See it in your base weight → Full details →
Liteway Biggie Pack Ultra 45L
570 g

Ultralight 45L pack at 570g. X-Pac fabric with roll-top design, waterproof upgrade available.

See it in your base weight → Full details →

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Gossamer Gear Kumo 36 Superlight vs Liteway Biggie Pack Ultra 45L: 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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