Hyperlite Mountain Gear 2400 Windrider vs Osprey Exos Pro 55 Backpack
Weight and specs compared for 2026 — and which one to choose.
Compact Dyneema 40L pack for ultralight overnight trips.
Full details →Ultralight thru-hiking backpack at 937g (S/M) with 55L capacity and comfortable suspension for loads up to 35 lbs.
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Hyperlite Mountain Gear 2400 Windrider vs Osprey Exos Pro 55 Backpack: which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear 2400 Windrider wins — at 510 g it is 427 g (46%) lighter than the Osprey Exos Pro 55 Backpack (937 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.