Perfect fit, Karmor

SIZE	CM	HAT SIZE	INCHES
2XS	51-52	63/8 - 61/2	20 - 20 1/2
XS	53-54	65/8 - 63/4	20 7/8 - 21 1/4
S	55-56	67/8 - 7	21 5/8 - 2
M	57-58	71/8 - 71/4	22 1/4 - 22 7/8
L	59-60	73/8 - 71/2	23 1/4 - 23 5/8
XL	61-62	75/8 - 73/4	24 - 24 3/8
2XL	63-64	77/8 - 8	24 3/4 - 25 1/4
3XL	65-66	81/8 - 81/4	25 5/8 - 26
4XL	67-68	83/8 - 81/2	26 3/8 - 26 3/4

Helmet Size Chart

RPHA SERIES, FG-JET, i71, i100, i90, i30, i20, i40, C10, C91, C80, V10, V60, V31, V90

SIZE	CENTIMETER	HAT SIZE	INCHES
*3XS	50-51	61/4 - 63/8	19 3/4 - 20 1/8
2XS	51-52	63/8 - 61/2	20 - 20 1/2
XS	53-54	65/8 - 63/4	20 7/8 - 21 1/4
S	55-56	67/8 - 7	21 5/8 - 2
M	57-58	71/8 - 71/4	22 1/4 - 22 7/8
L	59-60	73/8 - 71/2	23 1/4 - 23 5/8
XL	61-62	75/8 - 73/4	24 - 24 3/8
2XL	63-64	77/8 - 8	24 3/4 - 25 1/4
2XL	65-66	81/8 - 81/4	25 5/8 - 26

*C10 helmets are the only children's size 3XS available.
** The RPHA 1, RPHA 11 and C10 helmets are the only 2XS sold.

BRAND

Nanux networks Inc.ㅣ 33-4, Tekeunobaelli-ro, Jillye-myeon, Gimhae-si, Gyeongsangnam-do, Republic of Korea

R&D

Nanux Engeneering Inc.ㅣ 33-4, Tekeunobaelli-ro, Jillye-myeon, Gimhae-si, Gyeongsangnam-do, Republic of Korea

HELMET SIZE

Helmet Size Easy Chart

The size chart is for reference only, always wear a helmet and follow the instructions in this manual correctly.

SIZE

2XS

51-52

63/8 - 61/2

20 - 20 1/2

XS

53-54

65/8 - 63/4

20 7/8 - 21 1/4

S

55-56

67/8 - 7

21 5/8 - 2

M

57-58

71/8 - 71/4

22 1/4 - 22 7/8

L

59-60

73/8 - 71/2

23 1/4 - 23 5/8

XL

61-62

75/8 - 73/4

24 - 24 3/8

2XL

63-64

77/8 - 8

24 3/4 - 25 1/4

3XL

65-66

81/8 - 81/4

25 5/8 - 26

4XL

67-68

83/8 - 81/2

26 3/8 - 26 3/4