We're so confident that the Happy Lens™ will be the best sunglass experience you've ever had that if you're not completely satisfied we'll let you return them for a full refund with proof of purchase - including your initial shipping charges and return shipping. This guarantee only applies to Happy Lens™ sunglasses purchased in the United States and Canada from authorized SPY dealers, and returns must be processed within a 14-day period after purchase. For additional program details and to set up your return please call our toll free number at (800) 779-3937. Ready to get Happy? Click here to view our entire Happy Lens™ collection.