Cap size:
Measuring Part-----------------Petite Size----Average Size----Large Size
Circumference ----------------------21.5" ---------22.5" ----------23.5"
Front to Nape -----------------------13.5"---------14.5"----------15.5"
Ear to ear across forehead----------11"----------11.5" -----------12"
Ear to ear over top-------------------12"-----------12.5"----------13.5"
Template to template round back--14"----------14.5"----------15.5"
Nape to Neck--------------------------5"------------5.5"------------6"