WSI Sports WSI Wikmax Heatr Necklace. The Wikmax HEATR tm Necklace generates heat while it wicks moisture off your skin. Designed to help get muscles warm and keep them warm. It also helps get oxygen to the blood faster thus helping with recovery time. It features: 10% HEATR tm, 90% Micropoly. Soft and comfortable like cotton. Antibacterial fabric helps destroy or inhibit the growth of of bacteria while cutting down odor. Thermal regulation helps oxygen get to the blood faster thus promotes faster recovery time. Absorbs, stores , and releases heat helping to get the muscles loose and warmed up faster, 0 to 75 degrees.