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Arc'teryx Bora AR 63 vs Hyperlite Mountain Gear Pemi 15 Running Vest

Weight and specs compared for 2026 — and which one to choose.

Hyperlite Mountain Gear Pemi 15 Running Vest is the lighter option — 1,919 g lighter than the Arc'teryx Bora AR 63 (85% less weight). If grams matter to you, that is the one to beat.
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Spec Arc'teryx Bora AR 63 Hyperlite Mountain Gear Pemi 15 Running Vest
Weight 2,270 g · 2.270 kg · 5.00 lb 351 g · 0.351 kg · 0.77 lb
Brand Arc'teryx Hyperlite Mountain Gear
Category Backpack Backpack
Arc'teryx Bora AR 63
2,270 g

Technical 63L pack with RotoGlide hipbelt for alpine approaches.

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Hyperlite Mountain Gear Pemi 15 Running Vest
351 g

Running vest using ALUULA Graflyte fabric for ultralight trail runners.

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Arc'teryx Bora AR 63 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 1,919 g (85%) lighter than the Arc'teryx Bora AR 63 (2,270 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.

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