The tensioned mesh backpanel will fit anyone?s contours and and maintains airflow for excellent ventilation. * The shoulder harness can be adjusted a full 6? / 15cm of range for custom fit, effectively the same fit range of our XS to L backpacks. * The Fit-on-the-Fly hipbelt allows extension of 3? / 7.5cm on each side and fits 26?/ 66cm to 52?/ 132cm hips. Simply separate the overlay pad and pull forward. * Simply undo the hook and loop closures at the top and bottom of the pad, and disconnect the toggles at the sides. Hand wash or wipe using water and soap, rinse thoroughly and air dry. * The framing around the child is fully padded for comfort and protection.