Found Across Our Skate, Bike, And Snow Lines, The B2 Shape Is One Of Our Most Recognizable Helmet Styles. Equipped With Removable Ear Guards And 15 Open Vent Holes For Plenty Of Ventilation And Drainage.       • Shell: High-Density, Injection-Molded Pe    • Liner: Dual-Density, Waterproof Eva    • Vents: 15 Open Vents For Ventilation And Drainage    • Fit: 5 Sizes / 2 Shell Break   • Certification: Ce En 1385 Water Sport Safety Standard       Technology:       Hardshell   High Density, Injection Molded Abs Shell       EVA   Dual Density Waterproof   Eva Liner