How it helps
Use it for a focused task
This guide walks you through measuring your torso length, choosing the right hip belt, and matching your body to a backpack volume. It includes brand-specific size charts for Osprey, Gregory, Deuter, and Kelty, plus load range advice and a printable card to take shopping.
Start by measuring your torso length using the step-by-step instructions. Enter your height, weight, and torso length.
Pick your intended use. The guide shows your size range, hip belt fit, and ideal pack volume.



