Hyperlite Mountain Gear Aero 28 Ultralight Fastpack vs Zpacks Nero Classic Backpack
Weight and specs compared for 2026 — and which one to choose.
Ultralight fastpacking pack with 28L capacity + 8.5L external storage. Dyneema Composite Hybrid construction, vest-style harness, removable hip belt.
Full details →Ultralight frameless Dyneema Composite backpack, just 289g. Roll-top closure with mesh side pockets. Ideal for SUL hikers carrying under 10 lbs base weight.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Hyperlite Mountain Gear Aero 28 Ultralight Fastpack vs Zpacks Nero Classic Backpack: which should you buy?
If saving weight is your priority, the Zpacks Nero Classic Backpack wins — at 289 g it is 217 g (43%) lighter than the Hyperlite Mountain Gear Aero 28 Ultralight Fastpack (506 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.