Pack Your Ruck So It Does Not Wreck You

A pack that fits and is loaded correctly disappears on your back. One that does not will hand you a sore neck, a bruised lower back, and a shoulder that aches for days. Here is how to set yours up.

By Rich Borgatti · Training · 2026-06-04

Most of the misery I see on the trail has nothing to do with fitness. The legs are willing. The lungs are fine. The problem is the pack. It rides too low, the weight is in the wrong place, or the straps are dug into the wrong part of the shoulder, and three miles in the whole experience has become a study in how much your trapezius can complain. A pack that fits well and is loaded right disappears on your back. A pack that does not will end the ruck for you long before your legs do. Here is how to set yours up. Fit comes before fancy Before you spend a dollar on a "rucking-specific" pack, get the one you already own to fit. Three checks, in order: Torso length. The hip belt should sit on the top of your hip bones, not your stomach. The top of the pack should sit at the base of your neck, not the middle of your shoulders. If your pack does not have an adjustable torso, you live with the length it is — but you can still adjust where it sits by moving the shoulder straps and sternum strap. Sternum strap at chest height. About 2 inches (5 cm) below your collarbone. Too high and it chokes you. Too low and the shoulder straps splay outward and dig into the side of your neck. Hip belt snug, not tight. The belt is there to transfer weight from your shoulders to your hips. If you can slip a flat hand between the belt and your hip and feel resistance, that is right. If you have to suck in to buckle it, it is too tight. Throw 20 lb (9 kg) in, walk around the block, and adjust. A pack that fits…