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Gossamer Gear Kumo 36 Superlight 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 — 40 g lighter than the Gossamer Gear Kumo 36 Superlight (7% less weight). If grams matter to you, that is the one to beat.
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Spec Gossamer Gear Kumo 36 Superlight Gossamer Gear Mirage 40L Pack ALUULA
Weight 567 g · 0.567 kg · 1.25 lb
size Medium; totaal inclusief Fast belt en Sitlight pad (Small: 536 g)
 527 g · 0.527 kg · 1.16 lb
total incl. roll-top straps and Lightrek bungee; single size
Brand Gossamer Gear Gossamer Gear
Category Backpack Backpack
Gossamer Gear Kumo 36 Superlight
567 g

Frameless 36L ultralight pack in recycled Robic nylon, ideal for day hikes and minimalist overnight loads up to 25 lbs.

See it in your base weight → Full details →
Gossamer Gear Mirage 40L Pack ALUULA
527 g

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

See it in your base weight → Full details →

Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.

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Gossamer Gear Kumo 36 Superlight 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 527 g it is 40 g (7%) lighter than the Gossamer Gear Kumo 36 Superlight (567 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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