The LS2 HH568 half helmet is deceptively full-featured. We start with an ultra-lightweight fiberglass shell. We add a removable, washable comfort liner that is treated to resist odor and bacteria, (Always wash by hand and air dry). We include a zip-off neck skirt that will keep you warmer on cool days, and can be removed when the sun is shining. The neck skirt has pockets for speakers from your MP3 player, and a hidden pocket around the neck to hide any wires. It includes a removable, 3-snap peak to shade your eyes. DOT approved. Covered by a 5-year limited warranty against defects in material and workmanship.