We are vertical jump professionals Smoove and Miller. World Slam Dunk Champions and winners of over 100 different dunk contests around the world.We are happy to share all our experience as professional dunkers and the experience of one of the best sports trainers in Europe in this unique product! For the last 10 years more than 1,000 of our customers achieved their goals to improve their vertical jump with the help of JET programs. Some made their first dunk, others started participating and winning contests and some simply became stronger and more dominant on the basketball court. Rest assured, whatever your goal, you will find all this and more in our training programs - JET. Below you will find some testimonials from our clients that confirm the quality and promise of our training plans.