Product details:

Costa teamed up with Mark Healy to create his signature frame, the Sampan. This all-day style and performance capabilities make the Sampan a perfect frame for any adventure you seek. Named after the traditional Chinese fishing vessels that still work in Hawaii, the Sampan features a hydrophilic material along the temples, vented hydrophilic nose pad, TR-90 Bio Resin Nylon frame material, and a 6 base lens design. Pair the Sampan with Costas 580 technology to experience unmatched clarity and definition. Get your prescription Costa Sampan sunglasses online at SportRx today.Plastic frame.
UV Protection Coating coating.
Lens width: 60 millimeters.
Lens height: 45 millimeters.
Bridge: 17 millimeters.
Arm: 136 millimeters.