Features: - RTS Fit System- Xdry Performance Lining (W: Volume Fleece)- Removable Earpads - Audio Ready- Goggle Clip- Helmet BagSpecifications:- Construction: Double In-Mould- Ventilation: MarkAIR Channel System - Protection: 270° Edge Protection- Sizing: 51-55 cm- Weight (+/-5%): 427 g - Certification: CE EN 1077:2007 CLASS B