To determine flesh hoop size, uninstall the current natural skin head, measure the outside diameter and subtract 1/8″ from the measurement. Make sure to bisect the head into two equal parts with the edge of the tape.
For traditional and comfort curve crowns, measure the outside diameter of the raised or rolled ring on the bottom of the crown and add 3/16″ to the measurement.
For moderna crowns, measure the inside diameter and add 11/16″.