65% Poly 35% Cotton, 61.75in, 4.1oz BioSmart® is a patented technology, engineered into the fabric, that binds chlorine from the wash to the surface of the fabrics, the chlorine inhibits the growth and spread of bacteria. Here’s how. When laundered as directed with an EPA-registered chlorine bleach*, BioSmart® binds the chlorine to its surface, which then kills 99.9%** of many common bacteria and viruses. BioSmart® technology is available in items such as medical labcoats, medical scrubs, privacy curtains, aprons, butcher coats, workshirts and pants through selected partners. Durable Protection The fabric technology recharges with chlorine during each washing, thus providing a longer shelf life and optimizing value for manufacturers, laundries and consumers alike. Independent, outside testing has demonstrated that when BioSmart® fabrics are laundered according to care instructions with EPA-registered chlorine bleach*, the chlorine kills 99.9** percent of common bacteria and viruses.