Polycarbonate ski and snow helmet in black. Features BOA® 360 Fit System dial. · MIPS® Brain Protection System · Ventilation slots at top · Brim and goggle ventilation · Magnetic FIDLOCK® buckle · Detachable padded liner and earpads · ASTM F2040 and CE EN1077 certifications Supplier color: Blackout Size: Head Circumference S: 20.1-21.7 / 51-55 cm M: 21.7-23.2 / 55-59 cm L: 23.2-24 / 59-61 cm XL: 24-24.8 / 61-63 cm