The FreeFlex Slide Short is designed to perform at the highest levels of competition, affording the wearer the maximum comfort, unmatched freedom of movement, and the ultimate in protection. All new high-density molded thigh and hip protection is paired with the FreeFlex Relief System, a series of contoured relief cuts that allow the pads to bend, flex and move with ease--the FreeFlex Relief System is designed to minimize resistance during breakouts and running.