AFX FX-39 Unisex-Adult Full-Face-Helmet-Style Dual Sport Helmet (Flat Black, XX-Large) 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) Shield can be removed for open-face riding or goggle use (64-65cm 8 - 8 1/8 hat 25 3/16" - 25 5/8")