The frames are both aerodynamic and stylish whilst the shatterproof polycarbonate UV400 category 3 lenses afford the utmost protection. The bows (arms) are narrow for easy insertion whilst the arm tips are rubber for comfort whilst worn within a helmet. The lenses are also decentred to ensure optimum optical quality and comfort. Shatterproof Polycarbonate Lenses are standard as with all our range so to afford maximum protection if wearing an open faced helmet. A Free micro-fibre pouch is also included for safe storage and lens cleaning.