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Liteway Biggie Pack 45L vs Outdoor Vitals CS40 Ultra

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 Liteway Biggie Pack 45L Outdoor Vitals CS40 Ultra
Weight 680 g · 0.680 kg · 1.50 lb 765 g · 0.765 kg · 1.69 lb
Brand Liteway Outdoor Vitals
Category Backpack Backpack
Liteway Biggie Pack 45L
680 g

Frameless ultralight 45L backpack at 680g (590g without cords), durable ECOPAK material construction

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Outdoor Vitals CS40 Ultra
765 g

Ultralight 40L backpack built for ultralight hiking and thru-hiking. Features innovative weight-saving construction that carries 20x its weight.

See it in your base weight → Full details →

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Liteway Biggie Pack 45L vs Outdoor Vitals CS40 Ultra: 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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