Warmth and style are natural companions with the ONU Coldblack® Vest. Using high-tech features, ample stretch, breathability, and light insulation, the Coldback Vest keeps your core snug and provides the perfect layer in harsher weather. Contoured seams mean that despite the expandable pockets and Coldblack treated rear panel to prevent your back from overheating, you will never feel bulky or have to sacrifice your personal style.