Apex Copper Cloud Diabetic Socks Designed to help promote better circulation and reduce the risk of complications that can arise from diabetes, Copper Cloud diabetic socks are not only a healthier choice for diabetics, but a superior choice for everybody! Apex infused yarn with copper fibers that are clinically proven and doctor-recommended for eliminating 99.9% of odor-causing bacteria and fungi, and for promoting softer, healthier skin.