Gregory Optic 48 vs Mountain Hardwear Alakazam 60L

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

Mountain Hardwear Alakazam 60L is the lighter option — 510 g lighter than the Gregory Optic 48 (37% less weight). If grams matter to you, that is the one to beat.

Spec	Gregory Optic 48	Mountain Hardwear Alakazam 60L
Weight	1,370 g · 1.370 kg · 3.02 lb	860 g · 0.860 kg · 1.90 lb
Brand	Gregory	Mountain Hardwear
Category	Backpack	Backpack

Gregory Optic 48

1,370 g

Lightweight 48L trail pack with suspended mesh back panel.

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Mountain Hardwear Alakazam 60L

860 g

Ultralight fully waterproof pack built from ALUULA Graflyte fabric with a swivel hipbelt for natural load distribution.

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Gregory Optic 48 vs Mountain Hardwear Alakazam 60L: which should you buy?

If saving weight is your priority, the Mountain Hardwear Alakazam 60L wins — at 860 g it is 510 g (37%) lighter than the Gregory Optic 48 (1,370 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.

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