Jockey International, Inc. is a manufacturer, distributor and retailer of underwear, sleepwear for men, women, and children. The company is based in Kenosha, Wisconsin. Jockey is known for having invented the first mens Y-Front brief in 1934. Jockey is a recognized trademark in 120 countries. Jockey was originally named Coopers Inc., and was founded by Samuel T. Cooper in St. Joseph, Michigan in 1876 as a hosiery business. Cooper began the business when he learned that lumberjacks were suffering from poorly constructed wool socks. In 1900, Cooper began making undergarments. Although business was good enough to merit expansion in 1902, by 1934 Coopers Inc. was nearly bankrupt due to hardships caused by the Great Depression. The company recruited Harry H. Wolf, Sr., to restructure the company. On January 19, 1935, during a blizzard, Coopers Inc. sold the worlds first briefs at the Marshall Fields State Street store in downtown Chicago. Designed by an apparel engineer named Arthur Kneibler, briefs dispensed with leg sections and had a Y-shaped overlapping fly. The company dubbed the design the maccky, since it offered a degree of support that had previously only been available from the jockstrap. Macky briefs proved so popular that over 30,000 pairs were sold within three months of their introduction. Coopers, having renamed the company Jockey, sent its Mascul-liner plane to make special deliveries of masculine support briefs to retailers across the US. In 1938, when macky were introduced in the UK, they sold at the rate of 3,000 a week. In 1997 Jockey acquired the seamless panties division of Formfit-Rogers, and sold them under the name Form-Fit (this branding was later discontinued). In 1982, Jockey introduced the Jockey For Her line of intimate apparel and underwear.