?Proshields fit Domain II, Alliance and Airframe helmets fitted with the Icon Prolock shield locking system
?Proshields fit Domain II, Alliance and Airframe helmets fitted with the Icon Prolock shield locking system ?Proshields have mounting holes molded into the shield to accept the sideplates (sold separately) Standard Icon shields fit all Icon helmets, except Variant, Domain II, Alliance and Airframe ALL Airframe liners will only fit the size it is specifically listed for; they are NOT interchangeable between sizes ?All Airframe liners will only fit the size it is specifically listed for-they are not interchangeable between sizes