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Hyperlite Mountain Gear 3400 Windrider 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 Hyperlite Mountain Gear 3400 Windrider Hyperlite Mountain Gear Southwest 55
Weight 680 g · 0.680 kg · 1.50 lb 680 g · 0.680 kg · 1.50 lb
Brand Hyperlite Mountain Gear Hyperlite Mountain Gear
Category Backpack Backpack
Hyperlite Mountain Gear 3400 Windrider
680 g

Versatile Dyneema 55L pack with roll-top closure.

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 →

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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Hyperlite Mountain Gear 3400 Windrider 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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