Atom Packs Pulse EP50 vs Hyperlite Mountain Gear 3400 Windrider

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 3400 Windrider
Weight	680 g · 0.680 kg · 1.50 lb	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.

Check price Full details →

Hyperlite Mountain Gear 3400 Windrider

680 g

Versatile Dyneema 55L pack with roll-top closure.

Full details →

Atom Packs Pulse EP50 vs Hyperlite Mountain Gear 3400 Windrider: 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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