Gmax GM65 Skull Flame Naked Half Helmet (Flat Black/Red, Large) Retractable hard coated UV400 sun shields that are designed for quick and tool-less removal and replacement Each helmet includes the UV400 tinted sun shield installed from the factory and a clear UV400 shield in the box Dual density EPS styro allows for a low profile fit while still delivering a DOT certified helmet Removable snap-in rear neck curtain for cool weather riding installs and removes quickly and easily with Premium venting that reduces heat at the top of the head Fully removable Coolmax comfort liner. Coolmax material draws moisture away from the head and dries quickly keeping you more comfortable