← Gear database

Fjallraven Kajka 55 vs Forclaz MT900 UL 50+10

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

Forclaz MT900 UL 50+10 is the lighter option — 1,220 g lighter than the Fjallraven Kajka 55 (58% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Fjallraven Kajka 55 Forclaz MT900 UL 50+10
Weight 2,100 g · 2.100 kg · 4.63 lb 880 g · 0.880 kg · 1.94 lb
Brand Fjallraven Forclaz
Category Backpack Backpack
Fjallraven Kajka 55
2,100 g

Classic 55L Swedish trekking pack with wooden frame stays.

Full details →
Forclaz MT900 UL 50+10
880 g

Decathlon ultralight thru-hiking backpack with 50+10L capacity, roll-top closure and removable components for paring down trail weight.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Fjallraven Kajka 55 vs Forclaz MT900 UL 50+10: which should you buy?

If saving weight is your priority, the Forclaz MT900 UL 50+10 wins — at 880 g it is 1,220 g (58%) lighter than the Fjallraven Kajka 55 (2,100 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.

More backpack comparisons

Fjallraven Kajka 55 vs Gossamer Gear Elixir 20 Daypack Fjallraven Kajka 55 vs Gossamer Gear Murmur 36 Hyperlight Backpack Fjallraven Kajka 55 vs Salomon ADV Skin 12 Fjallraven Kajka 55 vs Zpacks Nero Classic Ultra Backpack Fjallraven Kajka 55 vs Zpacks Nero Classic 50L Fjallraven Kajka 55 vs Zpacks Nero Classic Backpack