Costa Del Mar - Costa Tuna Alley Sunglasses Frame:Matte Black It meets USCG A1-15 requirements

It meets USCG A1-15 requirements for pleasure boats

Maximum Rope Size - 1/2"

TEAK CLEAN is nontoxic

corrosion and dirt

Each Thru-Hull is available with a new silicone gasket

Costa Del Mar - Costa Tuna Alley Sunglasses Frame:Matte Black It meets USCG A1-15 requirementsMid August, 90 degrees, the humidity is brutal, and you've got a full day ahead. This is where the Costa Tuna Alley Sunglasses earns its keep. Costa del Mar designed this sunglasses to handle exactly this kind of day and a dozen more just like it. Built to handle saltwater, sun, and the daily abuse of life on the coast Quality materials selected for marine environments Practical design that prioritizes function over fashion