Decathlon Forclaz MT900 UL 50+10L vs Hyperlite Mountain Gear Unbound 40
Weight and specs compared for 2026 — and which one to choose.
Affordable ultralight backpacking pack with 50L capacity plus 10L extension collar. Highly functional load lifters and large front pockets. Budget-friendly entr...
Full details →40L Dyneema Composite Hybrid pack with internal frame and waterproof roll-top closure. Built for alpine and storm-prone conditions.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Decathlon Forclaz MT900 UL 50+10L vs Hyperlite Mountain Gear Unbound 40: which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear Unbound 40 wins — at 830 g it is 485 g (37%) lighter than the Decathlon Forclaz MT900 UL 50+10L (1,315 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.