How to Adjust Backpacks

A backpack must be properly fitted and adjusted to accommodate your body size. Comfort -- and proper distribution of load -- are the most important aspects of a proper fit. According to REI experts, 80 to 90 percent of the pack weight must be resting on your hips. A properly fitted backpack achieves this weight distribution and lessens chafing, back pain or cramps.

Things You'll Need

  • Mirror
  • backpack
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Instructions

    • 1

      Simulate a full pack by loading about 10 to 15 lbs. of weight, or as much weight as you intend to carry. Loosen all the straps and put on the backpack.

    • 2

      Place the hip belt over your hip bones; close the buckle and tighten. Adjust the buckle pieces so that the padded sections of the hipbelt wrap snugly around your hips. Allow at least 1 inch of clearance on both sides.

    • 3

      Tighten the shoulder straps; the straps must be closely wrapped over and around your shoulder. Pull up and down on the ends of the straps for the right fit.

    • 4

      Fit the load-lifter straps close to your body. The load-lifter straps are located near the collarbones, just below your shoulders. Aim for a snug fit that pulls the weight off your shoulders. Do not overtighten.

    • 5

      Fix the sternum strap to a comfortable fit and height across your chest. Buckle the strap and tighten until the shoulder straps are closely and comfortably pulled in from your shoulders.

    • 6

      Tighten the stabilizer straps. These straps -- found on either side of the hip belt -- stabilize the load by pulling your backpack toward the hip belt. Adjust for comfort. Loosen the straps for more ventilation, to release some tension and for freedom of movement. Tighten to increase load control.