Calvin Klein designed for various Seventh Avenue fashion houses for five years before launching his own line of coats in 1968. Klein expanded into sportswear in 1970, realizing that coats were too season-specific. His sportswear collection received was critically acclaimed and so influential that by 1975 Vogue was calling his work “a definitive picture of the American look.” Klein began his denim line in 1977 and in 1980 he introduced his designer jeans in a now iconic TV commercial starring Brooke Sheilds. Best known for his denim line, underwear line and perfumes, Klein's fashion collection are rare and coveted. His designs are known for their clean lines and shapes and his bold use of color.