The Orbit SphericalA(R) shield helmet offers comfort on the mountain while boasting a futuristic look with modern performance features. You can easily pull the shield out and over the helmet and back down without any fuss - a great option for those who wear glasses. You&';re also sure to appreciate the VIVID lens that&';s seamlessly integrated with the helmet, MipsA(R) Spherical technology which aids in the reduction of rotational energy during impacts, and Thermostat Control so you can manage the temperature within.