AFX FX-17 Unisex-Adult Off-Road-Helmet-Style Helmet (Flat Black, Large) Aerodynamic shell design constructed using Advanced poly-alloy plastic for light weight and strength Hypo allergenic and Antimicrobial nylon liner and cheek pads are removable and washable Ear cavity space for speakers Removable Screw-On vented visor Fully molded eye port trim with incorporated goggle Grabber (58-59cm 7 1/4 - 7 3/8 hat 22 13/16" - 23 1/4")