Costa Inc, formerly A. T. Cross Company is a designer and marketer of branded personal accessories, including writing instruments, reading glasses, personal and business accessories and sunglasses. The Company's Cross Optical Group (COG) consists of its wholly owned subsidiary, Cross Optical Group, Inc. and is the legal entity of the Company's two sunglass brands: Costa and Native. The Company's COG designs, manufactures and markets polarized sunglasses under the brand names Costa and Native. The Company's brands offer sunglasses in more than 75 styles and 25 lens options. In September 2013, the Company sold its Cross Accessory Division and the rights to the A.T. Cross name, which was associated with the writing instrument business. Effective February 3, 2014, Essilor International SA acquired Costa Inc.