Hyperlite Mountain Gear Aero 28 Ultralight Fastpack vs Kelty Coyote 65
Weight and specs compared for 2026 — and which one to choose.
Ultralight fastpacking pack with 28L capacity + 8.5L external storage. Dyneema Composite Hybrid construction, vest-style harness, removable hip belt.
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Hyperlite Mountain Gear Aero 28 Ultralight Fastpack vs Kelty Coyote 65: which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear Aero 28 Ultralight Fastpack wins — at 506 g it is 1,294 g (72%) lighter than the Kelty Coyote 65 (1,800 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.