Define Defense offers martial arts, modern self defense, and private training in downtown Boulder. We offer unlimited classes for both adults and children, as well as a self defense program for women. Come experience our fantastic curriculum consisting of Karate, Ju Jutsu, Judo and Brazilian Jiu Jitsu by taking a free class in our studio. We also provide yoga for cross training, circuit training classes and personal training packages. 1805 11th Street Suite B Boulder, CO 80302
