# Shires Size Guide - Karben Riding Hats

**Head Circumference (cm)**

50

51

52

53

54

55

56

57

58

59

60

61

62

63

**Skull Size**

000½

00

00½

0

0½

1

1½

2

2½

3

3½

4

4½

5

**Hat Size**

6⅛

6¼

6⅜

6½

6⅝

6¾

6⅞

7

7⅛

7¼

7⅜

7½

7⅝

7¾

---

> Source: [Pet n Pony](https://petnpony.co.uk/pages/shires-size-guide-karben-riding-hats)