Macho Sport Karate Chest Guard Macho Sport Karate Chest Molded, contour design. Lightweight - less than 1-1/2" thick and weighs only a few ounces which makes it less bulky to allow for excellent mobility. Made of a hard foam divided into sections to maximize impact absorption. Intended to reduce the risk and severity or accidental injury and to protect mid-section and chest areas during supervised, no contact or light contact martial arts sparring. Designed for mat sparing only and not for other or more intense use. Four point elastic harness straps plus adjustable nylon strap around waist allow for secure comfortable fit. Disclaimer: Boxing and Martial Arts are contact sports. Users of this equipment are subject to personal injury. These products have a degree of protection but are not warranted to protect the user from injury. Wearing a mouth guard is always recommended when participating in any athletic activity.