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Gregory Zulu 35 vs Lowe Alpine AirZone Active 18

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

Lowe Alpine AirZone Active 18 is the lighter option — 280 g lighter than the Gregory Zulu 35 (27% less weight). If grams matter to you, that is the one to beat.
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Spec Gregory Zulu 35 Lowe Alpine AirZone Active 18
Weight 1,050 g · 1.050 kg · 2.31 lb 770 g · 0.770 kg · 1.70 lb
Brand Gregory Lowe Alpine
Category Backpack Backpack
Gregory Zulu 35
1,050 g

Ventilated 35L daypack with 3D Hydro reservoir sleeve.

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Lowe Alpine AirZone Active 18
770 g

Lightweight 18-liter daypack for hiking and outdoor activities. Features ergonomic back panel, padded straps and adjustable capacity from 18-20 liters.

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Gregory Zulu 35 vs Lowe Alpine AirZone Active 18: which should you buy?

If saving weight is your priority, the Lowe Alpine AirZone Active 18 wins — at 770 g it is 280 g (27%) lighter than the Gregory Zulu 35 (1,050 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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