← Gear database

Aarn Mountain Magic 50 Pro vs Gossamer Gear Mirage 40L Pack ALUULA

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

Gossamer Gear Mirage 40L Pack ALUULA is the lighter option — 261 g lighter than the Aarn Mountain Magic 50 Pro (32% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Aarn Mountain Magic 50 Pro Gossamer Gear Mirage 40L Pack ALUULA
Weight 810 g · 0.810 kg · 1.79 lb 549 g · 0.549 kg · 1.21 lb
Brand Aarn Gossamer Gear
Category Backpack Backpack
Aarn Mountain Magic 50 Pro
810 g

Body-balance 50L pack in 70D Robic Gridstop UHMWPE with U-Flow harness and removable front balance pockets for comfort.

Full details →
Gossamer Gear Mirage 40L Pack ALUULA
549 g

Lightest framed 40L backpack, 19.4oz, ALUULA Graflyte V52 ultra-lightweight fabric

Full details →

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

Aarn Mountain Magic 50 Pro vs Gossamer Gear Mirage 40L Pack ALUULA: which should you buy?

If saving weight is your priority, the Gossamer Gear Mirage 40L Pack ALUULA wins — at 549 g it is 261 g (32%) lighter than the Aarn Mountain Magic 50 Pro (810 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

Aarn Mountain Magic 50 Pro vs Gossamer Gear Elixir 20 Daypack Aarn Mountain Magic 50 Pro vs Gossamer Gear Murmur 36 Hyperlight Backpack Aarn Mountain Magic 50 Pro vs Salomon ADV Skin 12 Aarn Mountain Magic 50 Pro vs Zpacks Nero Classic Ultra Backpack Aarn Mountain Magic 50 Pro vs Zpacks Nero Classic 50L Aarn Mountain Magic 50 Pro vs Zpacks Nero Classic Backpack