18 Helmet Vents, 8 Chin Bar Vents, 4 Brow Ports\nOverbrow Ventilation Features Intake Ports On The Brow Of The Helmet To Usher In Cool Air And Push It Through The Air-Channel Matrix For Full-Head Ventilation\nCompliance: CPSC Bicycle\nFlex Spherical + MIPS - Comprehensive Energy Management - Flex Spherical Enhances Our Ability To Address High-Speed Impacts, Low-Speed Impacts, As Well As Rotational Impacts\nFusion In-Mold Polycarbonate Shell - A Process Pioneered By Bell Bonds The Helmet's Outer Shell To The EPS Foam Liner To Create A Sturdier Helmet\nProgressive Layering: The Process Of Engineering A Helmet Liner With Variable EPS Foam Densities To Better Manage The Transfer Of Energies After Some Impacts\nAdjustable Visor Accommodates Both Goggles And Glasses\nFloat Fit - A Minimalist, Lightweight Fit System With An Easy-To-Turn Rubber Overmolded Dial For Adjustments (Integrated With MIPS)\nX-Static Padding - Quick-Drying Materials, Woven With Real Silver Fibers, Inhibit Growth Of Odor-Causing Bacteria And Fungi\nWraparound Chin Bar