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Hyperlite Mountain Gear 2400 Windrider vs Six Moon Designs Fusion 55
Weight and specs compared for 2026 — and which one to choose.
Hyperlite Mountain Gear 2400 Windrider is the lighter option — 112 g lighter than the Six Moon Designs Fusion 55 (18% less weight). If grams matter to you, that is the one to beat.
Hyperlite Mountain Gear 2400 Windrider
510 g
Compact Dyneema 40L pack for ultralight overnight trips.
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Hyperlite Mountain Gear 2400 Windrider vs Six Moon Designs Fusion 55: which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear 2400 Windrider wins — at 510 g it is 112 g (18%) lighter than the Six Moon Designs Fusion 55 (622 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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