A quick-change MAG™ lens system allows you to switch from low to bright light in these anti-fog goggles that keep you comfortable through the longest runs. Unisex 164mm lens width MAG™ lens change system uses magnets for quick, easy lens changes QuickFit strap adjustment system with clip buckle ChromaPop™, spherical Carbonic-X lens with TLT Optics and 5X antifog inner lens Responsive Fit™ Frame design adjusts to your face for a precise, comfortable fit Three-layer DriWix face foam wicks moisture for a fog-free fit Ultrawide, silicone-backed strap Helmet-compatible Imported