Smith Podium TT MIPS Helmet: Hi tech super-aero TT lid Lightweight Aerocore In-Mold Construction Zonal Ventilated Protection Featuring Patented Koroyd Material MIPS system for extra protection Vapor Fit Adjustable Fit System X-Static with Reactive Cooling Performance Lining Ultra-Light Single Layer Webbing Twin exhaust vents provide laminar airflow for maximum aerodynamic performance Chroma Pop lens Magnetic visor with Chroma Pop lens & clear lens included