Forclaz MT900 UL 50+10 vs Six Moon Designs Swift X
Weight and specs compared for 2026 — and which one to choose.
Decathlon ultralight thru-hiking backpack with 50+10L capacity, roll-top closure and removable components for paring down trail weight.
Full details →Highly configurable 50L ultralight pack with removable stay, hip belt and vest harness options to dial in fit and weight.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Forclaz MT900 UL 50+10 vs Six Moon Designs Swift X: which should you buy?
If saving weight is your priority, the Six Moon Designs Swift X wins — at 765 g it is 115 g (13%) lighter than the Forclaz MT900 UL 50+10 (880 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.