Features Ventilation position: Back vents, Side vents, Top vents Lined: Yes Size (S/M/L): M Ventilation: Yes Product main colour: White Product extended colour: Hydrogen White Matt Ventilation type: Fixed Head circumference: 54 - 59 cm Gender: Unisex Construction type: Hard shell construction Consumer life stage: Adult Fitting system: 360 Fit System Helmet type: Open-face helmet Helmet shell material: Polycarbonate Activity: Triathlon cycling Coloration: Monochromatic Sports headwear type: Helmet Adjustable fit: Yes
