Dirty Boxer shorts are created and worn by world champion mixed martial artists, sick of the the old school jock strap. Designed specifically for the modern day warrior, Dirty Boxer shorts offer technologicaly advanced ClinchFit, StrikeVent, and Power hold design. Clinch Fit is a feature that improves comfort, flexibility, and freedom of movement. StrikeVent is the trademarked feature of Dirty Boxer shorts that provides unparalleled breathablity for maximum body cooling. PowerHold fabrics provide the right kind of sport-specific compression needed by fighters.