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Decathlon Forclaz MT900 UL 50+10L vs Lowe Alpine AirZone Active 22L

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

Lowe Alpine AirZone Active 22L is the lighter option — 515 g lighter than the Decathlon Forclaz MT900 UL 50+10L (39% less weight). If grams matter to you, that is the one to beat.
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Spec Decathlon Forclaz MT900 UL 50+10L Lowe Alpine AirZone Active 22L
Weight 1,315 g · 1.315 kg · 2.90 lb 800 g · 0.800 kg · 1.76 lb
Brand Decathlon Lowe Alpine
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...

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Lowe Alpine AirZone Active 22L
800 g

Lightweight daypack and hiking backpack at approximately 800g, features ventilated back system and hydration compatibility

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Decathlon Forclaz MT900 UL 50+10L vs Lowe Alpine AirZone Active 22L: which should you buy?

If saving weight is your priority, the Lowe Alpine AirZone Active 22L wins — at 800 g it is 515 g (39%) 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.

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