Located at 609 Avenue X, Underground Boxing & Fitness is the right choice if you’re looking for a performance center. Underground Boxing Brooklyn is home for kids, teens & adults of all fitness levels! Competition & sparring, strength & conditioning, self-defense, weight loss is offered in our classes, group training and private training 7 days a week by the best boxing coaches in Brooklyn. We welcome all people in our boxing club and teach discipline, accountability, and respect along with high-level boxing techniques and training. You need to book to attend the activities.