Atomic Four AMID helmet is a hugely popular model from the Atomic Four family, which brings a totally fresh approach to all-mountain helmet design. The unique combination of AMID technology and Holo Core offers up to 40% more impact protection than industry safety standards - this helmet will keep you perfectly protected anytime, and in any terrain. The helmet’s position on your head and how snug it fits can be fine-tuned with the 360º Fit System. Besides an urban-inspired, low-profile design, the Four AMID helmet also offers a removable liner and goggle clip, which let you ride with beanie and goggles underneath the shell if you want. Stand out, just don’t shout.Key features:- HOLO CORE- AMID- 360° FIT SYSTEM- HYBRID IN-MOLD CONSTRUCTION- REMOVABLE AND WASHABLE FULL CAP LINING- Aircon Venting- Audio Compatible Ear Pads- Helmet Bag- Removable Goggle Clip- 3D Molded Ear Pads40% Higher impact protection with amid:- Amid is a revolutionary dual-density foam system that provides up to 40% higher impact protection than industry safety standards.Holo core:- Crumple zones are designed to absorb the energy from the impact during a collision by controlled deformation. The driver stays mostly unhurt.The impact absorption is 30% higher than CE requires.Helmet construction - layer by layer:- It’s all the features and every detail of our helmets that make them really stand out. Here you can see the different layers - providing instant supreme protection, individual fit, and ultimate comfort.