AFX FX-39 DS Hi-Vis Helmet - Large/Hi-Visibility Yellow Aerodynamic shell design constructed using advanced poly alloy plastic for light weight and strength Hypo-allergenic and antimicrobial nylon liner and cheek pads, all of which are removable and washable Optically correct, compound-curved, scratch-resistant and protects against UV-rays Flip-up, flush fit, quick-release shield can be used with or without the visor (includes side cover kit for shield-only use) DOT FMVSS 218 Certified