Hyperlite Mountain Gear Windrider 40 vs Zpacks Nero Classic Ultra Backpack
Weight and specs compared for 2026 — and which one to choose.
100% waterproof Dyneema pack with sewn-through back panel and internal frame stay. 40L volume, three exterior mesh pockets for wet gear.
Check price Full details →Frameless ultralight backpack made from Dyneema Composite Fabric. Minimalist design for SUL hikers. Top-loading with roll-top closure.
Check price Full details →Hyperlite Mountain Gear Windrider 40 vs Zpacks Nero Classic Ultra Backpack: which should you buy?
If saving weight is your priority, the Zpacks Nero Classic Ultra Backpack wins — at 289 g it is 555 g (66%) lighter than the Hyperlite Mountain Gear Windrider 40 (844 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.