Martial arts, personal training, cross training yoga, circuit training

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.