Gossamer Gear Murmur 36 Hyperlight Backpack vs Gregory Baltoro 75

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

Gossamer Gear Murmur 36 Hyperlight Backpack is the lighter option — 2,135 g lighter than the Gregory Baltoro 75 (90% less weight). If grams matter to you, that is the one to beat.

Spec	Gossamer Gear Murmur 36 Hyperlight Backpack	Gregory Baltoro 75
Weight	225 g · 0.225 kg · 0.50 lb	2,360 g · 2.360 kg · 5.20 lb
Brand	Gossamer Gear	Gregory
Category	Backpack	Backpack

Gossamer Gear Murmur 36 Hyperlight Backpack

225 g

Frameless 36L hyperlight thru-hiking pack made from ALUULA Graflyte fabric, with roll-top closure and included torso pad.

Check price Full details →

Gregory Baltoro 75

2,360 g

Workhorse 75L pack for extended expeditions and heavy loads.

Full details →

Gossamer Gear Murmur 36 Hyperlight Backpack vs Gregory Baltoro 75: which should you buy?

If saving weight is your priority, the Gossamer Gear Murmur 36 Hyperlight Backpack wins — at 225 g it is 2,135 g (90%) lighter than the Gregory Baltoro 75 (2,360 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

Gossamer Gear Murmur 36 Hyperlight Backpack vs Salomon ADV Skin 12 Gossamer Gear Murmur 36 Hyperlight Backpack vs Zpacks Nero Classic Ultra Backpack Gossamer Gear Murmur 36 Hyperlight Backpack vs Zpacks Nero Classic 50L Gossamer Gear Murmur 36 Hyperlight Backpack vs Zpacks Nero Classic Backpack Gossamer Gear Murmur 36 Hyperlight Backpack vs Zpacks Nero Classic 40L Gossamer Gear Murmur 36 Hyperlight Backpack vs Zpacks Nero Classic 30L