Gossamer Gear Murmur 36 Hyperlight Rucksack

36 Litres / No Frame / Foam Stiffened Back / Hydration System Compatible
Weighs 360g
Code: SS19898
  • £169.99
  • (FREE Delivery on orders over £15)
Item out of Stock | Usually dispatched within 24 hours

Gossamer Gear's Murmur 36 Hyperlight Rucksack is our lightest rucksack in 30 -40 litre range by some margin with an impressive feature set for such a light pack.

Gossamer Gear says: 8.5 ounces of barely-there badassness.

Made of 30 and 70 denier Robic nylon, and coated on both sides with silicone for weather protection, this is the impossibly light pack for that solo mission up Exum Ridge or a weekend summit bid for Mt. Humphreys in the Sierra. If you can weigh in your gear at around 15 pounds, this is your pack.  If you're not sure if it’s the right pack for you, it probably isn’t.

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Gossamer Gear's Murmur 36 Hyperlight Rucksack is our lightest rucksack in the 30-40 litre range by some margin. You can't get this light without sacrificing durability but the pack doesn't lack for features.

The bag has a roll top enclosure which I personally prefer to a draw cord. You get adjustable chest straps and removable hip belts which have zipped pockets for stashing those essentials you need when on the go.

The Murmur also has 2 side pockets suitable for water bottles and a large mesh pocket for further storage options. You also get Trekking pole and ice axe holders.

There is no rigid support structure but the comfy foam back panel can quickly be removed to uses as a sit mat or sleeping pad. All in all an amazing light-weight pack with an impressive features set, not suitable for heavy load carrying or scrambling through rough terrain due to the thin fabric but suitable for saving you weight on your back.


- Reviewed by Ultralight Outdoor Gear

Help and advice: Choosing a rucksack at Ultralight Outdoor Gear
  • Roll-top closure buckles for streamlined shape, but can clip together in ‘dry bag’ style to use extension collar.
  • Removable padded waist belt with integrated pockets, adjustable to two torso heights.
  • Unisex (Men's and Women's) shoulder straps and waist belt constructed with low profile, but super comfortable, highly breathable wall mesh.
  • Trekking pole holders and ice axe holder can be used at same time, with removable Velcro loops to secure items to pack.
  • Large mesh pocket for drying items, or quick storage on trail without opening pack.
  • Stretchy back panels hold included sit pad, or a thin sleeping pad, saving inside pack space, and allowing pad to be pulled out during rest breaks.
  • Hydration tube port and guide straps.
  • Removable/adjustable sternum strap.
  • Weight including hipbelt: 360g
  • Weight excluding hipbelt: 290g
  • One size (16" - 24" torso) Generally fits people 5'4"-6'4"
  • 28" - 42" circumference for waist belt


  • 36 L total
  • 28 L in main pack body to extension collar seam
  • 8 L in exterior pockets
  • 20 lb maximum carry capacity, 15 lbs for comfort


  • Height 21” / 53.3 cm
  • Width 10.5” / 26.7 cm
  • Depth 6 “ / 15.2 cm
  • Extension collar adds another 9" / 22.8 cm of height


  • 30 and 70 denier Robic nylon
  • Ultralight micro mesh
  • Lightweight and incredibly waterproof fabric rated to 3000 mm H2O, but we have taken it over 4000
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