Arai Helmet Liner Size Chart

Corsair V Edwards Patriot Helmet
Corsair-V
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I        
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard Optional Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard Optional
3X-Large V   Optional Optional Standard
RX-Q Flame Helmet
RX-Q
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I        
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard Optional Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard Optional
3X-Large V   Optional Optional Standard
Signet-Q Super Star Helmet
Signet-Q
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I        
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard Optional Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard  
3X-Large V        
Defiant Jolly Roger 2 Helmet
Defiant
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I Optional   Optional  
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard   Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard Optional
3X-Large V   Optional Optional Standard
Vector 2 Stage Helmet
Vector 2
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I Optional   Optional  
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard   Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard Optional
3X-Large V   Optional Optional Standard
CT-Z Helmet
CT-Z
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I        
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard Optional Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard Optional
3X-Large V   Optional Optional Standard
XC Helmet
XC
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I        
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard Optional Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard Optional
3X-Large V   Optional Optional Standard
XD-4 Explore Helmet
XD4
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I        
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard Optional Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard  
3X-Large V        
VX-Pro III Resolution Helmet
VX-Pro 3
Helmet Size Lining Code 12mm 10mm 7mm 5mm
XXS I        
X-Small II   Optional Standard  
Small II   Optional Standard Optional
Medium III Optional Standard Optional Optional
Large III Optional Optional Standard Optional
X-Large IV   Optional Standard Optional
2X-Large V   Optional Standard  
3X-Large V