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Aarn Mountain Magic 50 Pro vs ULA Circuit

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Aarn Mountain Magic 50 Pro ULA Circuit
Weight 1,060 g · 1.060 kg · 2.34 lb
medium back (short back: 1000 g), excl. balance pockets (256 g)
 1,092 g · 1.092 kg · 2.41 lb
as listed 'at a glance'; size not stated on the page
Brand Aarn ULA
Category Backpack Backpack
Aarn Mountain Magic 50 Pro
1,060 g

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

See it in your base weight → Full details →
ULA Circuit
1,092 g

Ultralight 68L frameless pack. Thru-hiker favourite.

See it in your base weight → Full details →

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Aarn Mountain Magic 50 Pro vs ULA Circuit: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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