Hyperlite Mountain Gear Pemi 15 Running Vest vs Zpacks Nero Classic Ultra Backpack
Weight and specs compared for 2026 — and which one to choose.
Running vest using ALUULA Graflyte fabric for ultralight trail runners.
Full details →Frameless ultralight backpack made from Dyneema Composite Fabric. Minimalist design for SUL hikers. Top-loading with roll-top closure.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Hyperlite Mountain Gear Pemi 15 Running Vest 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 62 g (18%) lighter than the Hyperlite Mountain Gear Pemi 15 Running Vest (351 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.