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Deuter Speed Lite 20 vs Hyperlite Mountain Gear Aero 28 Ultralight Fastpack

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

Deuter Speed Lite 20 is the lighter option — 86 g lighter than the Hyperlite Mountain Gear Aero 28 Ultralight Fastpack (17% less weight). If grams matter to you, that is the one to beat.
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Spec Deuter Speed Lite 20 Hyperlite Mountain Gear Aero 28 Ultralight Fastpack
Weight 420 g · 0.420 kg · 0.93 lb 506 g · 0.506 kg · 1.12 lb
Brand Deuter Hyperlite Mountain Gear
Category Backpack Backpack
Deuter Speed Lite 20
420 g

Ultralight 20L daypack for fast hikes and trail running.

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Hyperlite Mountain Gear Aero 28 Ultralight Fastpack
506 g

Ultralight fastpacking pack with 28L capacity + 8.5L external storage. Dyneema Composite Hybrid construction, vest-style harness, removable hip belt.

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Deuter Speed Lite 20 vs Hyperlite Mountain Gear Aero 28 Ultralight Fastpack: which should you buy?

If saving weight is your priority, the Deuter Speed Lite 20 wins — at 420 g it is 86 g (17%) lighter than the Hyperlite Mountain Gear Aero 28 Ultralight Fastpack (506 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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