Size Guide - Adult Helmets

Aircraft 2 Helmets 

SIZE US SIZE EU CHEEKPAD SPARE CHEEKPAD CHEEKPAD COMPATIBILITY LINER SPARE LINER LINER COMPATIBILITY NECK ROLL SPARE NECK ROLL
S 52 - 56 CM 28MM
24MM 		UNIVERSAL FIT
14MM 		12MM S or M 20MM 25MM
M 56 - 58 CM 28MM 24MM
UNIVERSAL FIT 		10MM 12MM S or M 20MM 25MM
L 58 - 61 CM 28MM
24MM
UNIVERSAL FIT 		20MM 22MM L or XL 20MM 25MM
XL 61 - 64 CM 20MM
24MM
UNIVERSAL FIT 		16MM 18MM L or XL 15MM 15MM

 

100% Altec / Altis Helmets

 SIZE US SIZE EU LINER SPARE LINER LINER COMPATIBILITY
XS/S
50 - 55 CM 10MM 12MM XS/S Only
S/M 55 - 59 CM
10MM
12MM 		S/M Only
L/XL 59 - 63 CM
10MM
12MM 		L/XL Only

 

Trajecta Helmets

(We recommend going up 1 size if you measure on the border between sizes)

 SIZE US SIZE EU CHEEK PAD SPARE CHEEK PAD CHEEK PAD COMPATIBILITY LINER SPARE LINER LINER COMPATIBILITY NECK ROLL SPARE NECK ROLL
S 52 - 56 CM 32MM 35MM UNIVERSAL FIT 20MM 16MM S or M 20MM 16MM
M 56 - 58 CM 25MM 25MM UNIVERSAL FIT
16MM 20MM S or M 16MM 20MM
L 58 - 61 CM 20MM 20MM UNIVERSAL FIT 20MM 16MM L or XL 20MM 16MM
XL 61 - 64 CM 25MM 25MM UNIVERSAL FIT 16MM 20MM L or XL 16MM 20MM

 

Aircraft Helmets  

 SIZE US SIZE EU CHEEK PAD CHEEK PAD COMPATIBILITY LINER LINER COMPATIBILITY
XS 53 - 54 CM 30MM UNIVERSAL FIT 14MM XS or S
S 55 - 56 CM 25MM
UNIVERSAL FIT 		12MM
XS or S
M 57 - 58 CM 25MM
UNIVERSAL FIT 		10MM M ONLY
L 59 - 60 CM 30MM
UNIVERSAL FIT 		14MM L or XL
XL 61 - 62 CM 25MM
UNIVERSAL FIT 		12MM L or XL

 

Status Helmets

(We recommend going up 1 size if you measure on the border between sizes)

 SIZE US SIZE EU CHEEK PAD CHEEK PAD COMPATIBILITY LINER LINER COMPATIBILITY
XS 53 - 54 CM 35MM UNIVERSAL FIT 14MM XS, S, M
S 55 - 56 CM 30MM
UNIVERSAL FIT		 12MM
XS, S, M
M 57 - 58 CM 25MM
UNIVERSAL FIT		 10MM
XS, S, M
L 59 - 60 CM 32MM
UNIVERSAL FIT		 12MM L, XL, 2XL
XL 61 - 62 CM 30MM
UNIVERSAL FIT		 10MM
L, XL, 2XL
2XL 63 - 64 CM 25MM
UNIVERSAL FIT		 8MM
L, XL, 2XL