Varied thickness shell construction for optimized protection and light weight 6-piece EPS liner with three different densities Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management Breakaway visor Varied thickness shell construction for optimized protection and light weight 6-piece EPS liner with three different densities Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management Breakaway visor