Our Atomic Four AMID helmet is our new popular model in the Four range with a fresh look and a new approach to all-mountain helmet design. The unique combination of our Holo Core and AMID technologies provides up to 40% higher impact protection than current safety requirements. This helmet will protect you everywhere, all the time! You can customize its fit with our 360° Fit System and find the perfect fit for you. What's more, this model offers the option of removing the liner and goggle clip so you can ride with a beanie and goggles under the helmet. Stand out from the crowd!