Grab attention and demand respect with SPY General prescription sunglasses, a Dale Earnhardt Jr. specialty. SPY General sunglasses frames combine durability and a comfortable fit with its indestructible Grilamid build and rubber nose pads and temple tips. SPY General sunglasses come equipped with the SPY Happy Lens, a signature technology that works to enhance your mood by letting in the sun's "good" rays and blocking out the bad. Need 'em in prescription? A SportRx optician will happily customize your SPY General prescription sunglasses specific to your vision needs.