Outdoor Vitals CS40 Ultra Backpack vs Vaude Asymmetric 42+8
Weight and specs compared for 2026 — and which one to choose.
40L ultralight backpack with carbon fiber frame stays. Weighs 27oz and supports up to 35 lbs with full functionality.
Full details →42-liter trekking backpack with 8L expandable capacity. Asymmetric design balances load distribution with maximum comfort for multi-day expeditions.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Outdoor Vitals CS40 Ultra Backpack vs Vaude Asymmetric 42+8: which should you buy?
If saving weight is your priority, the Outdoor Vitals CS40 Ultra Backpack wins — at 765 g it is 875 g (53%) 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.