← Gear database
Six Moon Designs Fusion 55 vs Zpacks Nero Pro Ultralight Backpack 30L
Weight and specs compared for 2026 — and which one to choose.
Zpacks Nero Pro Ultralight Backpack 30L is the lighter option — 167 g lighter than the Six Moon Designs Fusion 55 (27% less weight). If grams matter to you, that is the one to beat.
Zpacks Nero Pro Ultralight Backpack 30L
455 g
Sub-one-pound waterproof frameless pack, 16oz, seam-taped Ultra fabric body
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Six Moon Designs Fusion 55 vs Zpacks Nero Pro Ultralight Backpack 30L: which should you buy?
If saving weight is your priority, the Zpacks Nero Pro Ultralight Backpack 30L wins — at 455 g it is 167 g (27%) lighter than the Six Moon Designs Fusion 55 (622 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
Six Moon Designs Fusion 55 vs Gossamer Gear Elixir 20 Daypack
Six Moon Designs Fusion 55 vs Gossamer Gear Murmur 36 Hyperlight Backpack
Six Moon Designs Fusion 55 vs Salomon ADV Skin 12
Six Moon Designs Fusion 55 vs Zpacks Nero Classic Ultra Backpack
Six Moon Designs Fusion 55 vs Zpacks Nero Classic 50L
Six Moon Designs Fusion 55 vs Zpacks Nero Classic Backpack