← Gear database

Atom Packs Pulse EP50 vs Osprey Exos 58 Backpack

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

Atom Packs Pulse EP50 is the lighter option — 596 g lighter than the Osprey Exos 58 Backpack (47% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Atom Packs Pulse EP50 Osprey Exos 58 Backpack
Weight 680 g · 0.680 kg · 1.50 lb 1,276 g · 1.276 kg · 2.81 lb
Brand Atom Packs Osprey
Category Backpack Backpack
Atom Packs Pulse EP50
680 g

UK-made 50L ultralight thru-hiking pack with a carbon hooped frame and EcoPak fabric, carrying loads up to ~14kg comfortably.

Full details →
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.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Atom Packs Pulse EP50 vs Osprey Exos 58 Backpack: which should you buy?

If saving weight is your priority, the Atom Packs Pulse EP50 wins — at 680 g it is 596 g (47%) 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.

More backpack comparisons