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Osprey Stratos 36 vs Zpacks Nero Classic 30L
Weight and specs compared for 2026 — and which one to choose.
Zpacks Nero Classic 30L is the lighter option — 1,009 g lighter than the Osprey Stratos 36 (77% less weight). If grams matter to you, that is the one to beat.
Osprey Stratos 36
1,310 g
Ventilated 36L day and overnight pack with AirSpeed suspension.
Full details →Zpacks Nero Classic 30L
301 g
Frameless ultralight backpack built with durable Ultra 100X fabric. Minimalist design for long-distance hikers prioritizing minimum pack weight.
Check price Full details →Osprey Stratos 36 vs Zpacks Nero Classic 30L: which should you buy?
If saving weight is your priority, the Zpacks Nero Classic 30L wins — at 301 g it is 1,009 g (77%) lighter than the Osprey Stratos 36 (1,310 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.