05 andDOT FMVSS-218 safety standards Features an advanced aerodynamic shell design constructed using thermoplastic poly-alloy This helmet is specifically designed to fit children Features a hypo-allergenic and anitmicrobial nylon helmet liner and cheek pads, all of which are removable and washable Youth Liner System - This helmet can be converted to any of three youth helmet sizes through the simple swapping of liner components Features a removable screw-on visor Features 3-point ventilation with chin, forehead and top vents Features a square type D-ring with chin strap holder Provides ample ear cavity space for speakers Clearcoat finish protects helmet paint and graphics, and provides a great shine Comes with a Lifetime Warranty and a cloth carrying bag