Black Diamond Beta Light 30L vs Hyperlite Mountain Gear Pemi 15 Running Vest
Weight and specs compared for 2026 — and which one to choose.
Ultralight roll-top backpack with stripped-down design. Removable hip belt and frame stays reduce weight to 452g for minimalist adventures.
Full details →Running vest using ALUULA Graflyte fabric for ultralight trail runners.
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Black Diamond Beta Light 30L vs Hyperlite Mountain Gear Pemi 15 Running Vest: which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear Pemi 15 Running Vest wins — at 351 g it is 343 g (49%) lighter than the Black Diamond Beta Light 30L (694 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.