HJC HELMET SIZING CHART Premium Integrated Matrix (PIM) EVO outer shell with carbon-aramid hybrid and natural fiber for enhanced shock-resistant performance, light weight and more comfort Aerodynamic shell design reduces air resistance and provides stability at high speed Refines freshness: 4 intake and 3 exhaust vents Top vent holes: Drag forces reduced by air passing through Pinlock ready HJ-42 visor provides 99% UV protection and is anti-scratch coated; Pinlock anti-fog insert included Two-way pivot ratchet and visor (shield) provides smooth visor operation; push-release visor lock holds visor tight Glasses groove accommodates riders who wear glasses Moisture wicking and dry/anti-bacterial interior fabric with 3D contour cheek pads for comfort Crown and cheek pads are removable and washable; cheek pads are interchangeable throughout all helmet sizes Double D-ring strap ECE 22.06 certified
