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Atom Packs Pulse EP50 vs Hyperlite Mountain Gear Southwest 55

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

Both weigh the same at 680 g, so choose on features, price and fit.
Spec Atom Packs Pulse EP50 Hyperlite Mountain Gear Southwest 55
Weight 680 g · 0.680 kg · 1.50 lb
starting weight, medium torso size
 680 g · 0.680 kg · 1.50 lb
Brand Atom Packs Hyperlite Mountain Gear
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.

See it in your base weight → Full details →
Hyperlite Mountain Gear Southwest 55
680 g

Ultralight Dyneema 55L pack for serious gram-counters.

See it in your base weight → Full details →

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Atom Packs Pulse EP50 vs Hyperlite Mountain Gear Southwest 55: which should you buy?

On weight these two are identical (680 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.

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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