Size Circumference (closure type) (in) Depth (in) Hat Size (US)

Snaps: 18-21

Fabric: 18-22

6.25

Snaps: 6 - 6 3/4

Fabric: 6 - 7

Snaps: 19.5 - 22.5

Fabric: 19.5-23

6.5

Snaps: 6 3/4 - 7 3/8

Fabric: 6 3/4 - 7 1/2

Snaps: 20-23

Fabric: 20-24

6.75

Snaps: 7 - 7 5/8

Fabric: 7 - 7 3/4

Snaps: 20.5 - 23.5

Fabric: 20.5 - 25

7

Snaps: 7 1/4 - 7 3/4

Fabric: 7 1/4 - 8