so they don't slide down when you break a sweat

Known for its abundant natural beauty and observable wildlife

you can choose between classic tortoise or black marble (complete with hints of tan)—making it the ultimate expression of timeless style

“Island” in Hawaiian

We’ve taken that sentiment to heart with the Costa Fantail PRO

Costa King Tide 6 Sunglasses Select Color:Black Pearl - Blue Mirror 580G so they don't slide downIn nature, a King Tide requires the perfect alignment of Earth and moon to create once in a lifetime views and opportunities for watermen. Like their namesake, the King Tide 6 is designed to give you the ultimate advantage on the water. ? Made for watermen who demand performance in every sport, the King Tide 6 features a medium wrap with removable side shields for optimal viewing on and off water. Shark inspired venting achieves a near impossible zero