Atom Packs Pulse EP50 vs Hyperlite Mountain Gear 3400 Windrider
Weight and specs compared for 2026 — and which one to choose.
UK-made 50L ultralight thru-hiking pack with a carbon hooped frame and EcoPak fabric, carrying loads up to ~14kg comfortably.
Versatile Dyneema 55L pack with roll-top closure.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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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.