Hat Size

US Size

Circumference in Inches

Small

6-3/4 - 6/78

21-1/8" - 21-1/2"

Medium

7 - 7-1/8

21-7/8" - 22-1/4"

Large

7-1/4 - 7-3/8

22-5/8" - 23"

XLarge

7-1/2 - 7-5/8

23-1/2" - 23-7/8"

2XLarge

7-3/4 - 7-7/8

24-1/4" - 24-5/8"