Arc'teryx Bora AR 63 vs Mountain Hardwear Alakazam 45 Backpack
Weight and specs compared for 2026 — and which one to choose.
Technical 63L pack with RotoGlide hipbelt for alpine approaches.
Full details →ALUULA pack with articulated hip belt and running vest harness for technical hiking.
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Arc'teryx Bora AR 63 vs Mountain Hardwear Alakazam 45 Backpack: which should you buy?
If saving weight is your priority, the Mountain Hardwear Alakazam 45 Backpack wins — at 819 g it is 1,451 g (64%) lighter than the Arc'teryx Bora AR 63 (2,270 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.