- XS
- XS(6 1/2)
- 6 3/8
- SS
- 52
- 20 1/2
- XS
- XS(6 5/8)
- 6 1/2
- SS
- 53
- 21
- S
- S(6 3/4)
- 6 5/8
- S
- 54
- 21 1/4
- S
- S(6 7/8)
- 6 3/4
- S
- 55
- 21 1/2
- S
- S(7)
- 6 7/8
- M
- 56
- 21 7/8
- M
- M(7 1/8)
- 7
- M
- 57
- 22 1/4
- M
- M(7 1/4)
- 7 1/8
- L
- 58
- 22 5/8
- L
- L(7 3/8)
- 7 1/4
- L
- 59
- 23
- L
- L(7 1/2)
- 7 3/8
- LL
- 60
- 23 1/2
- XL
- XL(7 5/8)
- 7 1/2
- LL
- 61
- 23 7/8
- XL
- XL(7 3/4)
- 7 5/8
- LL
- 62
- 24 1/4
大小(cm)为头部周长。