The Smith Mission MIPS Helmet features a low profile and lightweight polycarbonate shell that ventilates air and protects your noggin at the same time. Thanks to Smith's Aerocore design featuring advanced Koroyd core material, if gives you advanced energy absorption in the event of crash. Lightweight in-mold construction fuses the exterior shell and an EPS foam form a one-piece design that's lightweight and durable. The adjustable dial fit system makes for easy and comfortable everyday use and a customized fit. 14 carefully placed vents help you manage air ventilation to keep you cool when you are working up a sweat and can be closed to keep heat in when those temperatures drop. Use your hard earned dollars where they matter the most, to protect your head with the top-shelf protection with the Smith Mission MIPS Helmet.