Hyperlite Mountain Gear Southwest 40L vs Salomon ADV Skin 12

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

Salomon ADV Skin 12 is the lighter option — 536 g lighter than the Hyperlite Mountain Gear Southwest 40L (67% less weight). If grams matter to you, that is the one to beat.

Spec	Hyperlite Mountain Gear Southwest 40L	Salomon ADV Skin 12
Weight	796 g · 0.796 kg · 1.75 lb	260 g · 0.260 kg · 0.57 lb
Brand	Hyperlite Mountain Gear	Salomon
Category	Backpack	Backpack

Hyperlite Mountain Gear Southwest 40L

796 g

Ultralight 40L pack in Dyneema Composite Fabric with roll-top closure, hip belt pockets, and a structured back panel for comfort on demanding trails.

Check price Full details →

Salomon ADV Skin 12

260 g

Ultra-light 12L trail running and fastpacking vest.

Full details →

Hyperlite Mountain Gear Southwest 40L vs Salomon ADV Skin 12: which should you buy?

If saving weight is your priority, the Salomon ADV Skin 12 wins — at 260 g it is 536 g (67%) lighter than the Hyperlite Mountain Gear Southwest 40L (796 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.

More backpack comparisons

Hyperlite Mountain Gear Southwest 40L vs Zpacks Nero Classic Ultra Backpack Hyperlite Mountain Gear Southwest 40L vs Zpacks Nero Classic 50L Hyperlite Mountain Gear Southwest 40L vs Zpacks Nero Classic Backpack Hyperlite Mountain Gear Southwest 40L vs Zpacks Nero Classic 40L Hyperlite Mountain Gear Southwest 40L vs Zpacks Nero Classic 30L Hyperlite Mountain Gear Southwest 40L vs Zpacks Nero Classic