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Gossamer Gear Elixir 20 Daypack vs Osprey Exos 58 Backpack

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

Gossamer Gear Elixir 20 Daypack is the lighter option — 1,100 g lighter than the Osprey Exos 58 Backpack (86% less weight). If grams matter to you, that is the one to beat.
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Spec Gossamer Gear Elixir 20 Daypack Osprey Exos 58 Backpack
Weight 176 g · 0.176 kg · 0.39 lb 1,276 g · 1.276 kg · 2.81 lb
Brand Gossamer Gear Osprey
Category Backpack Backpack
Gossamer Gear Elixir 20 Daypack
176 g

Roll-top daypack made with waterproof welded ALUULA for reliable wet weather use.

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Osprey Exos 58 Backpack
1,276 g

Lightweight ventilated backpack with AirSpeed suspended mesh back panel. Floating top lid, large front pocket. Great all-day comfort for summer hikes.

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Gossamer Gear Elixir 20 Daypack vs Osprey Exos 58 Backpack: which should you buy?

If saving weight is your priority, the Gossamer Gear Elixir 20 Daypack wins — at 176 g it is 1,100 g (86%) lighter than the Osprey Exos 58 Backpack (1,276 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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