K-Swiss celebrates the most prestigious tennis tournaments from the around the world with the release of the Majors Pack. The footwear collection comprises updated versions of the iconic Si-18 International and Gstaad silhouettes, both offered in a retro green and blue color pairing drawn from the K-Swiss archives. A distinguishing feature on the Si-18 is a series of flag emblems at the heel, representing the locations of the pro tennis world’s four Majors: the Australian Open, French Open, Wimbledon and the U.S. Open. The Majors Pack is available now through select K-Swiss retailers and online.