How to Adjust the External Frame of a Backpack

Correctly adjusting an external frame backpack is an important step prior to beginning a hike. External frame backpacks have an exposed aluminum frame with the pack attached along the sides with pins. Vertical support bars are typically curved with crossbars connecting them together. Shoulder straps and hip belts are attached to the frame using nylon straps. Properly distributing the weight of the pack and equipment involves minor adjustments, which is easily done.

Instructions

Difficulty: Easy

Step 1

Adjust the shoulder straps on your external frame pack. Adjust the length of the straps so that the padding of the strap sits securely on your shoulder but is not tight. Check to make sure there are no pinch points between your arm and the lower part of the strap.

Step 2

Fasten the hip belt around your waist and make adjustments. Position the pack so that it is centered on your back. The hip belt should sit comfortably on your hips with the horizontal mid point resting at the top of your hipbones. Make sure there is plenty of room where the two halves meet in the front to adjust and buckle the belt.

Step 3

Adjust the load lifters of the pack. Locate the lifter straps, if equipped, on either side of the pack just above the shoulder straps. Pull the straps until they are tight. Continue to make small adjustments to the shoulder straps and lifter straps until the weight of the pack rests on the upper part of the chest rather than your shoulders.

Step 4

Connect the sternum strap and make adjustments. Position the strap, if vertically adjustable, about four finger widths below your collarbone. Pull the sternum strap snug across your chest. Make sure the shoulder pads are stabilized while moving. The strap should be comfortable on your chest and not restrict movements or breathing.

Tips & Warnings

Take time when buying an external frame pack. Make sure the pack is sized to your frame and features enough adjustment points to achieve a good fit when loaded.

Failure to properly adjust a pack may result in unnecessary muscle soreness and fatigue during activity.

Article Written By Keith Dooley

Keith Dooley has a degree in outdoor education and sports management. He has worked as an assistant athletic director, head coach and assistant coach in various sports including football, softball and golf. Dooley has worked for various websites in the past, contributing instructional articles on a wide variety of topics.

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