20 Minute Shadow Boxing HIIT Workout February 8, 2021The Fitness Nation No campaign with ID: 13 on the server! Please check if the domain is not blocked on the server. Close × 20 Minute Shadow Boxing HIIT Workout. Get your weighted gloves on and kets go to work. This 20 minute shadow boxing HIIT workout is a serious sweat. source Related posts:Mike Tyson – A Day in Catskill at Cus D’amato Boxing Gym in 1986NS Fitness Boxing 2: Rhythm & Exercise - Day #10[UNBOXING] how to they work with just dance and fitness boxing