Hyperlite Mountain Gear Unbound 40L vs Vaude Asymmetric 42+8
Weight and specs compared for 2026 — and which one to choose.
Ultralight 40L pack in woven Dyneema Composite Fabric with internal frame stays and hipbelt. Ideal for fast alpine and thru-hiking missions.
Full details →42-liter trekking backpack with 8L expandable capacity. Asymmetric design balances load distribution with maximum comfort for multi-day expeditions.
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Hyperlite Mountain Gear Unbound 40L vs Vaude Asymmetric 42+8: which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear Unbound 40L wins — at 853 g it is 787 g (48%) lighter than the Vaude Asymmetric 42+8 (1,640 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.