NIKE Therma-Fit Women's Reversible Running Hat Therma-Fit Fabric - Provides warmth and insulation in those cold runs. Reflective - A reflective logo and detailing ensure you remain visible in low-light conditions. Brushed Fleece - A soft brushed fleece will keep your head warm and incredibly comfortable. Reinforced Top Seams - For durability and reduced chafing. Reversible - Allows the wearer to reverse the hat for versatile look.