This is a cotton watch-cap from "BUZZ RICKSON'S" brand for the mechanic crew which was used by the U.S. Army Air Forces and the Navy.
3 Colors(Black / Navy / Olive(Khaki))
※Please refer to the diagrams as a reference point for our in-house guide on measurements. Please see "HOW TO MEASURE" below. ※Each products have individual differences for size. Thus, this measurements may not be accurate. Please measure clothing you have, and find out which size fits to you based on this size chart.