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Durston Gear Wapta 30 Ultralight Backpack vs Hyperlite Mountain Gear Southwest 40L

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

Durston Gear Wapta 30 Ultralight Backpack is the lighter option — 411 g lighter than the Hyperlite Mountain Gear Southwest 40L (52% less weight). If grams matter to you, that is the one to beat.
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Spec Durston Gear Wapta 30 Ultralight Backpack Hyperlite Mountain Gear Southwest 40L
Weight 385 g · 0.385 kg · 0.85 lb 796 g · 0.796 kg · 1.75 lb
Brand Durston Gear Hyperlite Mountain Gear
Category Backpack Backpack
Durston Gear Wapta 30 Ultralight Backpack
385 g

Functional ultralight pack, 13.6oz, highly durable despite minimal weight

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Hyperlite Mountain Gear Southwest 40L
796 g

Ultralight 40L pack in Dyneema Composite Fabric with roll-top closure, hip belt pockets, and a structured back panel for comfort on demanding trails.

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Durston Gear Wapta 30 Ultralight Backpack vs Hyperlite Mountain Gear Southwest 40L: which should you buy?

If saving weight is your priority, the Durston Gear Wapta 30 Ultralight Backpack wins — at 385 g it is 411 g (52%) lighter than the Hyperlite Mountain Gear Southwest 40L (796 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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