Adapt to changing light conditions with speed and ease - Huntington's unique frame design allows wearers to securely swap out Hobie® Quick-Swap lenses with the push of their finger. The ideal solution if your days take you through changing activities and adventurous locations. Specially designed to cut glare & enhance contrast of water surface in low light conditions. Excellent for sight fishing! Heightened Contrast//Low Light Conditions. Compatible with Huntington (frame not included) Polarized Polycarbonate Lenses TR-90 Frame HydroClean™ 360° coated 100% UV Protection Quick-Swap Interchange Lenses Rx Ready Hobie® Eyewear sunglasses and eyeglasses are warranted to the original purchaser against manufacturer defects in materials and workmanship for the LIFETIME of the sunglass. For additional information, please visit the Warranty Service page under Explore section on https://hobieeyewear.com/