Laidback or wild, the Slack Tide Matte Tortoise Sunglasses with Green Mirror 580P lens from Costa will be there as you move on to another spot to chase a different adventure. The west coast inspired frame is infused with functional elements - Hydrolite® padding, pin hinge, ventilation and 580 Polarized, 100% UV Protection lenses so you can see through multiple tide changes. A stylish frame from any fishing trip.