Under Armour UA ColdGear Infrared Chrome Vest - Men's ColdGear Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat UA Storm gear uses a DWR finish to repel water without sacrificing breathability Windproof 3-layer bonded body fabric with a durable, smooth outside & a soft interior Mesh back panel provides strategic ventilation. Secure chest pocket Graphics, zips & logos are reflective for greater visibility on low-light runs