← Gear database

Osprey Exos 48 vs Zpacks Nero Classic

Weight and specs compared for 2026 — and which one to choose.

Zpacks Nero Classic is the lighter option — 979 g lighter than the Osprey Exos 48 (76% less weight). If grams matter to you, that is the one to beat.
Spec Osprey Exos 48 Zpacks Nero Classic
Weight 1,280 g · 1.280 kg · 2.82 lb 301 g · 0.301 kg · 0.66 lb
Brand Osprey Zpacks
Category Backpack Backpack
Osprey Exos 48
1,280 g

Lightweight 48L thru-hiking pack with excellent ventilation.

Full details →
Zpacks Nero Classic
301 g

Minimalist frameless DCF daypack ideal for ultralight hikers keeping baseweight under 10 lbs. Features roll-top closure and water-resistant Dyneema construction...

Check price Full details →

Osprey Exos 48 vs Zpacks Nero Classic: which should you buy?

If saving weight is your priority, the Zpacks Nero Classic wins — at 301 g it is 979 g (76%) lighter than the Osprey Exos 48 (1,280 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.

More backpack comparisons