Sandbox Helmet Size Chart

Adults

Size

Small

Medium

Large

Centimetres

52 - 54cm

55 - 57cm

58 - 61cm

Inches

20.5" - 21.3"

21.7" - 22.4"

22.8" - 24.0"

Hat Size

6 1/2 - 6 3/4

6 7/8 - 7 1/8

7 1/4 - 7 5/8

 

Junior

Size

Ace

Centimetres

48 - 54cm

Inches

18.9" - 21.3"

Hat Size

6 - 6 3/4