M. BLK/SNY TOR W GRN.MIR LENS - 6S9035-0760When the tide goes slack, so does the fishing. In Costas athleisure Slack Tide sunglasses you can move on to another spot to chase a different adventure. This laidback 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.