The sweaters, cardigans, and pullovers are available in various coruscating shades to help you maintain your style. Theory, a global designer label from the US was established in 1997, and it is headquartered in New York. You can shop Theory’s range of women’s and men’s clothing, footwear, and accessories through any of its 434 retail stores or via Amazon, Uniqlo, etc. Black is one of the most used product colors in fashion.