O'Neal Size Charts
  SIZING CHARTS
 MEN'S BOOTS
US EUROPE
5 371/2
6 39
7 40
8 41
9 421/2
10 44
11 45
12 46
13 481/2
 WOMEN'S BOOTS
US EUROPE
5 371/2
6 39
7 40
8 41
9 421/2
10 44
11 45
12 46
13 481/2
 KID'S BOOTS
US EUROPE
12 30
13 31
1 32
2 33
3 34
4 36
5 37
6 38