Gossamer Gear Silverback 55 Rucksack

55 Litres / Removable Frame / Foam Stiffened Back / Hydration System Compatible
Weighs 1224g
Code: SS191005
  • £299.99
  • (FREE Delivery on orders over £15)
Item out of Stock | Usually dispatched within 24 hours

Gossamer Gear's Silverback 55 Rucksack is an incredibly durable and adaptable pack. The pack can be stripped down for light-weight missions or filled to the brim for big adventures.

Gossamer Gear says:

The Silverback is a tough, water repelling load hauler with outstanding weight transfer. If hack-ability is your jam, this is your pack. The Silverback 55 is a versatile mid-size pack with a removable internal poly carbonate frame, 4 built-in pockets, removable top lid, roll top & full side compression. With no exposed mesh & our 70x210D Robic & Extreema fabric, this pack is perfect for bushwhacking and on trail use!

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Gossamer Gear's Silverback 55 Rucksack is the most durable pack Gossamer Gear have produced with its 70 x210 Denier Robic and Extreema Fabric it will withstand years of abuse. Adaptability is the other key feature of this outstanding pack.

Plenty of support and comfort is provided by the combination of the removable poly carbonate frame for and the mesh back panel which is also removable and perfect for a large sit mat.

The main compartment has a roll top enclosure can be closed conventionally like a dry bag or attached to side compression straps. The top lid has a zipped pocket and the lid can easily be removed if required.

On the front of the bag is a pocket with water resistant zip. The large front and side pockets are not mesh which trades off stretchability with durability. The top of these pockets are elasticated to help keep items secure. The cushioned hip belt is removable and has zipped pockets for those items you need to access on the go.

The Silverback 55 is an extremely robust and adaptable pack at a low weight for its size.

- Reviewed by Ultralight Outdoor Gear

Help and advice: Choosing a rucksack at Ultralight Outdoor Gear
  • Removable top lid (brain)
  • Roll top (clip up or down) 
  • All new proprietary polycarbonate removable frame
  • New removable air flow Sitlight back panel/pad
  • Spacious rear pocket for gear 
  • Trekking pole hardware 
  • Hydration sleeve & tube routing 
  • Lash loop for ice axe 
  • Removable lightweight PC frame 
  • Removable belt with pockets 
  • Tough Robic & Extreema fabrics
  • The fast belt will work if you take out the frame!


  • Medium Pack Fully Configured (pack, belt, frame, lid and pad): 1224g
  • Large Pack Fully Configured (pack, belt, frame, lid and pad): 1296g

Backpack Size (Varies greatly depending on body type and how you wear your pack)

  • Medium: 20.25” (15.5" - 19" torso) (41 - 50 cm) Generally fits people 5'5" to 5'10"
  • Large: 23.25” (19.5" - 23.5" torso) (49 - 60+ cm) Generally fits people 5'11" and up
  • Medium hip belt (30" - 40" waist) (76 - 101 cm)

Dimensions (Medium)

  • Height: 22” / 55.9 cm to extension collar seam
  • Width: 11” / 27.9 cm
  • Depth: 7” / 17.8 cm
  • Extension collar adds another 9” / 22.9 cm of height

Capacity (Medium)

  • 55 L total
  • 36.5 L in main pack body to extension collar seam
  • 40 lb recommended maximum carry capacity, 35 lbs for comfort


  • Custom 70 x 200 denier Robic Extreema
  • Supreme Air mesh fabric for harness lining
  • Power Net mesh fabric pad holder
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