Krav Maga is the official IDF martial art and the ultimate badass martial contact combat technique. This Israeli army martial art has proven to be so efficient that no less than the Mossad, the FBI and the SWAT units of the NYPD have chosen to adopt the technique. This badass Krav Maga T-shirt sporting the initials K.M (K is a fighter performing a kick) and captions "Krav Maga" gives the message that you are as Hardcore as Krav Maga is! 100% Combed-Cotton.