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Hyperlite Mountain Gear Contour 35 Backpack vs Hyperlite Mountain Gear Southwest 40L Backpack

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

Hyperlite Mountain Gear Contour 35 Backpack is the lighter option — 382 g lighter than the Hyperlite Mountain Gear Southwest 40L Backpack (45% less weight). If grams matter to you, that is the one to beat.
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Spec Hyperlite Mountain Gear Contour 35 Backpack Hyperlite Mountain Gear Southwest 40L Backpack
Weight 459 g · 0.459 kg · 1.01 lb 841 g · 0.841 kg · 1.85 lb
Brand Hyperlite Mountain Gear Hyperlite Mountain Gear
Category Backpack Backpack
Hyperlite Mountain Gear Contour 35 Backpack
459 g

Ultralight 35L frameless backpack with Dyneema DCF fabric for thru-hiking. Weighs only 16.2oz with 6 external pockets.

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Hyperlite Mountain Gear Southwest 40L Backpack
841 g

Fully waterproof Dyneema Composite Hybrid pack with aluminum stays and foam back panel. Built for off-trail use in harsh conditions. 29.7 oz.

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Hyperlite Mountain Gear Contour 35 Backpack vs Hyperlite Mountain Gear Southwest 40L Backpack: which should you buy?

If saving weight is your priority, the Hyperlite Mountain Gear Contour 35 Backpack wins — at 459 g it is 382 g (45%) lighter than the Hyperlite Mountain Gear Southwest 40L Backpack (841 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.

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