FROM THE NAME OF THIS LENS, YOU COULD SAY WE'VE THROWN THE KITCHEN SINK AT IT, METAPHORICALLY AND LITERALLY. WE'VE INCLUDED OUR RENOWNED HAPPY LENS TECHNOLOGY, ENGINEERED FRAMES AND LENSES TO WITHSTAND THE TOUGHEST ENVIRONMENTS, AND ADDED PHOTOCHROMIC TECHNOLOGY FOR SEAMLESS TRANSITIONS IN CHANGING LIGHT. NO MATTER THE TERRAIN, THIS LENS ENSURES YOU NEVER MISS A MOMENT ON THE TRAIL.