Julbo Run Performance Sunglasses Helmet-friendly: fits comfortably under any helmet. Polarizing: eliminates glare from all reflective surfaces (water, tarmac, glass, etc) and provides clear vision. Anti-reflective coating: reduces eye strain and eliminates interference glare. Coverage: wide lenses and curved frames for maximum visibility. Hold and positioning: shock absorbent temples and nose pads that can handle the technicalities of any trail. Oil-repellent coating: prevents finger or grease marks and makes cleaning easier. Copper color: contrast is emphasized, colors are enhanced, and vision is more comfortable, making the lenses particularly suitable for driving.