← Gear database

Lowe Alpine AirZone Active 18 vs Six Moon Designs Swift X

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

Six Moon Designs Swift X is the lighter option — 5 g lighter than the Lowe Alpine AirZone Active 18 (1% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Lowe Alpine AirZone Active 18 Six Moon Designs Swift X
Weight 770 g · 0.770 kg · 1.70 lb 765 g · 0.765 kg · 1.69 lb
Brand Lowe Alpine Six Moon Designs
Category Backpack Backpack
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.

Full details →
Six Moon Designs Swift X
765 g

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.

Lowe Alpine AirZone Active 18 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 5 g (1%) lighter than the Lowe Alpine AirZone Active 18 (770 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

Lowe Alpine AirZone Active 18 vs Gossamer Gear Elixir 20 Daypack Lowe Alpine AirZone Active 18 vs Gossamer Gear Murmur 36 Hyperlight Backpack Lowe Alpine AirZone Active 18 vs Salomon ADV Skin 12 Lowe Alpine AirZone Active 18 vs Zpacks Nero Classic Ultra Backpack Lowe Alpine AirZone Active 18 vs Zpacks Nero Classic 50L Lowe Alpine AirZone Active 18 vs Zpacks Nero Classic Backpack