The Atomic Four AMID is a great option for progressive skiers who want a minimalist look and maximized protection. The Live Fit 360 Fit System has padding that conforms to your head shape in minutes and a dial that helps fine tune the overall fit to be very comfortable and safe. The Holo Core Construction exceeds safety standards by an additional 30% and keeps the weight as low as possible. Atomic uses AMID (Atomic Multi-Directional Deflector) that has dual density foam that is attached to the helmet's core that can move in any direction to reduce forces put on your head, should you take a nasty fall down a steep line or huge booter. Aircon Venting has wider air channels that pull out the warm, moist air and allow cool fresh air in to prevent overheating. The In-Mold Dual Shell is extremely lightweight to prevent fatigue and keep you comfortable. Backcountry Skiers love the added Reflective Strap Station and RECCO Technology, just in case there is a slide. If you want a minimalist look that protects well and looks great, the Atomic Four AMID helmet is just for you. Holo Core, Live Fit 360 Fit System, 3D Molded Ear Pads, In-Mold Dual Shell, Aircon Venting, Removable and Washable Full Cap Lining, Reflective Strap Station, RECCO Technology, AMID (Atomic Multi-Directional Impact Deflector), Certifications: ASTM F 2040/CE EN 1077:2007 Class B, Warranty: One Year, Race: No, Category: Half Shell, Audio: Audio Compatible, Brim/Visor: No, Ventilation: Adjustable, Adjustability: Full, Year Round Capable: No, Shell Construction: In-Mold, Model Year: 2021, Product ID: 609403, Model Number: AN5005974M, GTIN: 0887445218685