Step 1: Loosen Kriega alloy buckle to lengthen waist-strap.
Step 2: Attach pack around waist and use quick-release buckle to make preliminary adjustment. Tuck away the loose strap-end under the elastic loop / side-pod.
Step 3: Thereafter, use the Kriega alloy buckle to make fine adjustments to fit. Use loop on left-wing to prevent the pack moving when making adjustments.