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Aarn Natural Balance Pack Plus Expedition Balance Pockets


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Aarn’s largest Ultralite, Natural Balance is the perfect Bodypack for those embracing the light = fast philosophy,  now with increased load capability and one compartment to reduce weight. Natural Balance can carry 10+ days of ultralight gear and has received many outstanding testimonials. To lighten the pack, the liners can be removed in dry climates.

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  • Expedition Balance Pockets included
  • 2 Backlengths with On-adjust, 15cm range
  • U, Multi & Flexi Flow
  • 3 Waterproof Dri-liners
  • Hollow 6001 T6 Alloy Auto-Form Frame
  • True-fit shoulder straps, Flow-thru Stabilisers
  • Pelvic Form Hipbelt (M)
  • Cord-loc compression
  • Attachments for ice axes, trekking poles (front and rear), caritools/ice clippers
  • Materials: 500D codura nylon, 210D, 70 x 100D & 40 D ripstop nylon
  • Colour: Green/Grey


  • Small: 59L + 15 L Pockets
  • Large: 67L + 15L pockets


  • Small pack/pockets: 1.7 kg (plus liners 1.83 kg)
  • Small pack only: 1.41 kg (plus liners 1.5 kg)
  • Large pack/pockets: 1.81 kg (plus liners 1.98 kg)
  • Large pack only: 1.49 kg (plus liners 1.58 kg)


  • Small: Height: 70cm / Width: 40cm / Depth (front-back): 25cm
  • Large: Height: 80cm / Width: 40cm / Depth (front-back): 25cm

The Daylites and Ultralites (day to mid-volume packs) i.e. Pace & Mountain Magic, Liquid Agility and Mobile Intention, come in one backlength because they have a long range of backlength adjustment. Shoulder strap sizes are interchangeable. They also have sewn in hipbelts in one size to fit all body sizes. All the larger models of Ultralites and all the Stronglites come in two backlengths, S and L. To determine which size is best, you need to determine your backlength: the distance from the top of your hip bones to the mid- point of your shoulder (where the shoulder strap goes over the shoulder). One way to do this accurately is to stand with your back against a wall with a hard covered book and pencil in hand. Place the book vertically against your side with the bottom edge of the book resting on top of your hipbone and the back edge against the wall.

Mark the height of the lower edge of the book on the wall. This is the height of the top of your hips. Now place the book vertically by the side of your head, with the back edge resting against the wall and the bottom edge resting on the mid-point of one shoulder (half way between your neck and the end of your

shoulder – this is where the center of the shoulder straps should lie). Mark the height of the bottom edge of the book on the wall. This is the height of your shoulders. Now measure the difference in height between the 2 marks on the wall – this is your backlength. If it is 38 cm or less, you need a short backlength; if it is more than 38 cm, you need a long backlength.

The large models with Pelvic-Form Hipbelts have 3 hipbelt sizes. The medium size, M is standard. To decide whether this will fit, or whether you need a S or L size, use a tape measure to determine your waist size, as the top of the hip belt goes around your waist. If this distance is less than 85 cm choose the S size, if it is greater than 95 cm, choose the L size. Between 85 cm and 95 cm, choose the M size.

Additional information


Small 59L Small Hip Belt, Small 59L Medium Hip Belt, Small 59L Large Hip Belt, Large 67L Medium Hip Belt, Large 67L Large Hip Belt


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