The Fierce Reflex Elite Hybrid is a world-class reflex training tool second to none. It is optimized for heavy hitters including professional and elite level boxers as well as heavyweights of all experience levels. It has the power and velocity capable of handling Super Heavyweight Athletes such as Tyson Fury, Anthony Joshua and Andy Ruiz. It allows the athlete to punch the bag with jabs, cross punches, and left or right hooks which help the athlete to increase and practice fast reaction times. In addition, the bag allows for a great cardio workout which assists with weight loss. We are proud that former Heavyweight Champion ANDY RUIZ, along with fellow boxing superstars CANELO ALVAREZ and RYAN GARCIA endorse This product.