← All gear comparisons

Decathlon Forclaz MT900 UL 50+10L vs ULA Circuit

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

ULA Circuit is the lighter option — 223 g lighter than the Decathlon Forclaz MT900 UL 50+10L (17% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Decathlon Forclaz MT900 UL 50+10L ULA Circuit
Weight 1,315 g · 1.315 kg · 2.90 lb 1,092 g · 1.092 kg · 2.41 lb
as listed 'at a glance'; size not stated on the page
Brand Decathlon ULA
Category Backpack Backpack
Decathlon Forclaz MT900 UL 50+10L
1,315 g

Affordable ultralight backpacking pack with 50L capacity plus 10L extension collar. Highly functional load lifters and large front pockets. Budget-friendly entr...

See it in your base weight → Full details →
ULA Circuit
1,092 g

Ultralight 68L frameless pack. Thru-hiker favourite.

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.

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 ULA Circuit: which should you buy?

If saving weight is your priority, the ULA Circuit wins — at 1,092 g it is 223 g (17%) 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.

More backpack comparisons

Decathlon Forclaz MT900 UL 50+10L vs Six Moon Designs Minimalist V2 Decathlon Forclaz MT900 UL 50+10L vs ULA Catalyst Decathlon Forclaz MT900 UL 50+10L vs Granite Gear Blaze 60 Decathlon Forclaz MT900 UL 50+10L vs REI Co-op Flash 55 Decathlon Forclaz MT900 UL 50+10L vs Gregory Facet 55