Just1 J18 helmet was developed with the primary goal of safety and comfort for the rider. During the design phase, the helmet was designed from the inside out in order to have the best possible and a radical ventilation system. High Quality Fiberglass External Shell 2 Shell Sizes 2 EPS Sizes J. 1cm above the ears to get the most accurate measurement for the helmet. Working to understand the demands of the rider and crafting products along the way to meet such demands is of the upmost importance to Just1.The company was started with the goal of not just making helmets but making a better version of any of the helmets on the market. The company also already has several world titles to its name throughout various disciplines including both the 2016 MXGP and 2015 MX2 FIM Motocross World title with Tim Gajser and the 2013 MX3 title with Klemen Gercar. This item is in the category "eBay Motors\Parts & Accessories\Apparel, Protective Gear & Merchandise\Helmets & Accessories\Motorcycle & Powersport Helmets". The seller is "bestbuy-auto" and is located in this country: US. This item can be shipped worldwide.