Red Paw Packs Flatiron 28L vs Zpacks Nero Classic 50L
Weight and specs compared for 2026 — and which one to choose.
Handmade ultralight frameless fastpack perfect for trail running and fast hiking. Minimalist design with clean lines. Customizable materials allow weight reduct...
Full details →Frameless ultralight backpack made from Dyneema Composite Fabric. Minimalist design for gram-conscious hikers and ultralight enthusiasts.
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Red Paw Packs Flatiron 28L vs Zpacks Nero Classic 50L: which should you buy?
If saving weight is your priority, the Zpacks Nero Classic 50L wins — at 289 g it is 79 g (21%) lighter than the Red Paw Packs Flatiron 28L (368 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.