WARNING! This product will melt when exposed to extreme heat or open flames, posing a risk of serious injury where melted product comes into contact with skin! ColdGear® Infrared uses a soft, thermo-conductive inner coating to absorb and retain your own body heat Dual-layer fabric gives you a soft, warm interior and a smooth, fast-drying exterior 4-way stretch fabrication allows greater mobility and maintains shape Moisture Transport System wicks sweat away from the body Quick-dry fabrication keeps you light and comfortable Anti-odor technology prevents the growth of odor-causing microbes Smooth, chafe-free flatlock seam construction Tonal logo Polyester/Elastane Imported