← All gear comparisons

Red Paw Packs Flatiron 28L vs Zpacks Nero Pro

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

Swipe to see all details.

Spec Red Paw Packs Flatiron 28L Zpacks Nero Pro
Weight 368 g · 0.368 kg · 0.81 lb 323 g · 0.323 kg · 0.71 lb
30L, standard straps, as listed
Brand Red Paw Packs Zpacks
Category Backpack Backpack
Red Paw Packs Flatiron 28L
368 g

Handmade ultralight frameless fastpack perfect for trail running and fast hiking. Minimalist design with clean lines. Customizable materials allow weight reduct...

See it in your base weight → Full details →
Zpacks Nero Pro
323 g

Frameless ultralight 30L backpack. Advanced storage options with premium materials for demanding adventures.

See it in your base weight → Full details →

Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Red Paw Packs Flatiron 28L vs Zpacks Nero Pro: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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