Gossamer Gear Gorilla 40 vs Gossamer Gear Kumo 36 Superlight
Weight and specs compared for 2026 — and which one to choose.
Lightweight 40L weekend pack with internal frame.
Frameless 36L ultralight pack in recycled Robic nylon, ideal for day hikes and minimalist overnight loads up to 25 lbs.
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 Gorilla 40 vs Gossamer Gear Kumo 36 Superlight: which should you buy?
If saving weight is your priority, the Gossamer Gear Kumo 36 Superlight wins — at 567 g it is 84 g (13%) lighter than the Gossamer Gear Gorilla 40 (651 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.