Gossamer Gear Kumo 36 Superlight vs Liteway Biggie Pack Ultra 45L
Weight and specs compared for 2026 — and which one to choose.
Frameless 36L ultralight pack in recycled Robic nylon, ideal for day hikes and minimalist overnight loads up to 25 lbs.
Ultralight 45L pack at 570g. X-Pac fabric with roll-top design, waterproof upgrade available.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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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.