Inches:

• A (Circumference): 19 ⅛ – 23 ¼"

• B (Crown Height): 4 ⅜"

• C (Bill Length): 2 ½"

• D (Total Hat Depth): 6 ¾"
Centimeters:

• A (Circumference): 48.5 – 59 cm

• B (Crown Height): 11 cm

• C (Bill Length): 6.5 cm

• D (Total Hat Depth): 17.2 cm