Zpacks Nero Classic 40L vs Zpacks Super Nero Ultra 50L Backpack
Weight and specs compared for 2026 — and which one to choose.
Frameless ultralight pack in 30L or 40L, built from Dyneema CF fabric. One of the lightest load-carrying packs available for thru-hiking.
Check price Full details →Versatile ultralight frameless pack in Dyneema Composite Fabric. Sized for multi-day thru-hiking trips while staying under 350g total weight.
Check price Full details →Zpacks Nero Classic 40L vs Zpacks Super Nero Ultra 50L Backpack: which should you buy?
If saving weight is your priority, the Zpacks Nero Classic 40L wins — at 289 g it is 56 g (16%) lighter than the Zpacks Super Nero Ultra 50L Backpack (345 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.