Size Chart - Troy Lee Designs Helmets

 Model: SE3

HELMET
Size CM IN HAT SIZE (IN)
XS 53 - 54 20 7/8 - 21 1/4 6 5/8 - 6 3/4
S 54 - 56 21 1/4 - 22 6 3/4 - 7
M 56 - 58 22 - 22 3/4 7 - 7 1/4
L 58 - 60 22 3/4 - 23 5/8 7 1/4 - 7 1/2
XL 60 - 62 23 5/8 - 24 3/8 7 1/2 - 7 3/4
XXL 62 - 63 24 3/8 - 24 3/4 7 3/4 - 7 7/8
 

Model: SE4 POLYACRYLITE / GP

HELMET
Size CM IN HAT SIZE (IN)
YM 50 - 51 19 3/4 - 20 1/8 6 1/4 - 6 3/8
YL 52 - 53 20 1/2 - 20 7/8 6 1/2 - 6 5/8
XS 54 - 55 21 1/4 - 21 5/8 6 3/4 - 6 7/8
S 55 - 56 21 5/8 - 22 6 7/8 - 7
M 57 - 58 22 3/8 - 22 3/4 7 1/8 - 7 1/4
L 58 - 59 22 3/4 - 23 1/4 7 1/4 - 7 3/8
XL 60 - 61 23 5/8 - 24 7 1/2 - 7 5/8
XXL 62 - 63 24 - 24 3/4 7 3/4 - 7 7/8

 

Model: SE4 CARBON / COMPOSITE

HELMET
Size CM IN HAT SIZE (IN)
XS 54 - 55 21 1/4 - 21 5/8 6 3/4 - 6 7/8
S 55 - 56 21 5/8 - 22 6 7/8 - 7
M 57 - 58 22 3/8 - 22 3/4 7 1/8 - 7 1/4
L 58 - 59 22 3/4 - 23 1/4 7 1/4 - 7 3/8
XL 60 - 61 23 5/8 - 24 7 1/2 - 7 5/8
XXL 62 - 63 24 3/8 - 24 3/4 7 3/4 - 7 7/8

 

Model: SE5 CARBON / COMPOSITE

HELMET
Size CM IN HAT SIZE (IN)
XS 53 - 54 20 7/8 - 21 1/4 6 5/8 - 6 3/4
S 55 - 56 21 5/8 - 22 6 7/8 - 7
M 57 - 58 22 3/8 - 22 3/4 7 1/8 - 7 1/4
L 58 - 59 22 3/4 - 23 1/4 7 1/4 - 7 3/8
XL 60 - 61 23 5/8 - 24 7 1/2 - 7 5/8
XXL 62 - 63 24 3/8 - 24 3/4 7 3/4 - 7 7/8