Former Spanx executives launch fashion tech company designed to keep you cool

Two former Spanx Inc. executives want you to keep your cool. Last year, Mary-Cathryn Kolb and Tosha Hays quit their jobs as Spanx's vice president of sales, marketing and operations and senior director, respectively, to launch Atlanta-based Brrr!, which makes accessories, home goods and clothing made of fabric designed to stay cool. The company licenses its technology under the name "BrrrX." The fabric is also moisture wicking and it offers UV/SPF protection. Kolb said there were "trade secrets"…