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Mountain Hardwear Alakazam 45L ALUULA Graflyte vs Osprey Kestrel 68

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

Mountain Hardwear Alakazam 45L ALUULA Graflyte is the lighter option — 910 g lighter than the Osprey Kestrel 68 (53% less weight). If grams matter to you, that is the one to beat.
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Spec Mountain Hardwear Alakazam 45L ALUULA Graflyte Osprey Kestrel 68
Weight 820 g · 0.820 kg · 1.81 lb 1,730 g · 1.730 kg · 3.81 lb
Brand Mountain Hardwear Osprey
Category Backpack Backpack
Mountain Hardwear Alakazam 45L ALUULA Graflyte
820 g

Spring 2026 framed ultralight pack in new ALUULA fabric; one of first mainstream packs with this material

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Osprey Kestrel 68
1,730 g

Extended journey 68L pack with top-loader design.

Full details →

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Mountain Hardwear Alakazam 45L ALUULA Graflyte vs Osprey Kestrel 68: which should you buy?

If saving weight is your priority, the Mountain Hardwear Alakazam 45L ALUULA Graflyte wins — at 820 g it is 910 g (53%) lighter than the Osprey Kestrel 68 (1,730 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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