Durston Gear Kakwa 55 vs Hyperlite Mountain Gear 3400 Windrider
Weight and specs compared for 2026 — and which one to choose.
Versatile 55L lightweight pack in UltraGrid fabric with aluminum frame stays. Excellent load transfer for heavier loads up to 40 lbs.
Full details →Versatile Dyneema 55L pack with roll-top closure.
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Durston Gear Kakwa 55 vs Hyperlite Mountain Gear 3400 Windrider: which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear 3400 Windrider wins — at 680 g it is 159 g (19%) lighter than the Durston Gear Kakwa 55 (839 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.