← Gear database

Mountain Hardwear Alakazam 45L vs Zpacks Nero Classic Ultra Backpack

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

Zpacks Nero Classic Ultra Backpack is the lighter option — 531 g lighter than the Mountain Hardwear Alakazam 45L (65% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Mountain Hardwear Alakazam 45L Zpacks Nero Classic Ultra Backpack
Weight 820 g · 0.820 kg · 1.81 lb 289 g · 0.289 kg · 0.64 lb
Brand Mountain Hardwear Zpacks
Category Backpack Backpack
Mountain Hardwear Alakazam 45L
820 g

Ultralight pack with Aluula Graflyte material. Swivel hipbelt for natural load distribution.

Full details →
Zpacks Nero Classic Ultra Backpack
289 g

Frameless ultralight backpack made from Dyneema Composite Fabric. Minimalist design for SUL hikers. Top-loading with roll-top closure.

Full details →

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

Mountain Hardwear Alakazam 45L vs Zpacks Nero Classic Ultra Backpack: which should you buy?

If saving weight is your priority, the Zpacks Nero Classic Ultra Backpack wins — at 289 g it is 531 g (65%) lighter than the Mountain Hardwear Alakazam 45L (820 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