Costa Del Mar Tuna Alley Pro Sunglasses Color:Matte Black / Gold Mirror •Dual Spectrum CHIRP Sonar: By

•Dual Spectrum CHIRP Sonar: By Covering A Wide Range Of Frequencies

Active fit

The double PU coating protects from moisture with a water column of 1500 mm

650-fill Nikwax Hydrophobic Down™: The same thoughtful design and materials that go into our other products along with thoughtfully-sourced down fill

AC Adapter

Costa Del Mar Tuna Alley Pro Sunglasses Color:Matte Black / Gold Mirror •Dual Spectrum CHIRP Sonar: ByCosta's Tuna Alley frame now comes with an updated style and PRO Series upgrades. This legacy frames updated vent system is backed up by six fish spotting features to help you do it like the pros: Sweat management channels and eyewire drains, improved Hydrolite rubber, adjustable nose pads, top hooding and side shields, and metal keeper slots.