Backpack OB 55 - White

The Backpack OB 55 is designed for thru hikes and multi-day hikes. Made from Challenge Ultra fabrics, this lightweight 55L backpack (47L main body, 8L pockets) provides enough space for the extra food carriage on longer hikes. Side pockets carry two 1.25L bottles each.

Made in Australia

Don't know what size you need? How to choose the backpack size

• Features
• Specifications

• • 55L volume = 47L main compartment + 8L pockets
  • frameless pack with extra long Y-strap over the roll top closure
  • generously sized front pocket
  • 3D side pockets hold 2 x 1.25L bottles each - doubled 2mm shock cord ensures contents are securely held
  • drain holes with mesh inserts in side and front pockets
  • side compression using LineLoc 3 and 2.5mm cord
  • shoulder straps 7.5cm wide, with 10mm foam padding plus 3mm 3D mesh for additional comfort
  • load lifters (keep in mind this is a frameless pack)
  • ice axe loop and a 3mm shock cord loop for hiking poles 
  • padded hip belt with dual adjustable buckle
  • sternum strap with emergency whistle
  • 18 webbing loops in multiple locations for extra compression or attachments if required. Pimp your pack and make it more functional with the "Strap-it pack" 
  • available in 2 torso sizes: medium and large
• Materials

  • front, back, and bottom panels: UltraWeave 400

  • side panels and pockets: UltraWeave 200

  • shoulder straps, hip belt: Ultra Grid

  Dimensions

  • height 75cm when top has been rolled to close

  • height 86cm unrolled 

  • top circumference 112cm

  • bottom circumference 88cm

  • torso length from bottom of pack to shoulder strap attachment point: medium 50cm, large 55cm

  Hip belt measurements

  • medium: min 75cm (29.5 inch), max 120cm (47 inch)

  • large: min 80cm (31.5inch), max 125cm (49 inch)

  Pack weight: total 610g