Hyperlite Mountain Gear Unbound 40L vs Osprey Talon 44

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

Hyperlite Mountain Gear Unbound 40L is the lighter option — 47 g lighter than the Osprey Talon 44 (5% less weight). If grams matter to you, that is the one to beat.

Spec	Hyperlite Mountain Gear Unbound 40L	Osprey Talon 44
Weight	853 g · 0.853 kg · 1.88 lb	900 g · 0.900 kg · 1.98 lb
Brand	Hyperlite Mountain Gear	Osprey
Category	Backpack	Backpack

Hyperlite Mountain Gear Unbound 40L

853 g

Ultralight 40L pack in woven Dyneema Composite Fabric with internal frame stays and hipbelt. Ideal for fast alpine and thru-hiking missions.

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Osprey Talon 44

900 g

Versatile 44L pack for overnight and weekend trips.

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Hyperlite Mountain Gear Unbound 40L vs Osprey Talon 44: which should you buy?

If saving weight is your priority, the Hyperlite Mountain Gear Unbound 40L wins — at 853 g it is 47 g (5%) lighter than the Osprey Talon 44 (900 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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