Forclaz MT900 UL 50+10 vs Zpacks Nero Classic 40L
Weight and specs compared for 2026 — and which one to choose.
Decathlon ultralight thru-hiking backpack with 50+10L capacity, roll-top closure and removable components for paring down trail weight.
Check price Full details →Frameless ultralight pack in 30L or 40L, built from Dyneema CF fabric. One of the lightest load-carrying packs available for thru-hiking.
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Forclaz MT900 UL 50+10 vs Zpacks Nero Classic 40L: which should you buy?
If saving weight is your priority, the Zpacks Nero Classic 40L wins — at 289 g it is 591 g (67%) lighter than the Forclaz MT900 UL 50+10 (880 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.