Costa Del Mar, 907002, Riverton Shiny Tortoise | Copper 580P Polarized Lens SKU: 907002 Description: New Zealand's oldest permanent settlement in Southland is an eclectic seaside town that lends its name to these medium frames. Stake your claim to new places with these thin, lightweight frames made from our eco-conscious bio-based resin. Riverton, which comes in four colors, also features durable integrated spring hinges and comfortable Hydrolite nose and temple pads. Features: Comfortable extra-large fit. Integral hinge. Heavy-duty TR 90 nylon frame. Includes hard case. 100% UV light blockage for max protection. 100% Polarization kills reflected glare and reduces eye strain.