• Thermal fleece lining retains heat
• Mesh breathing panels to increase airflow while minimizing fogging on your goggles
• Sufficient flap for ear covering
• Adjustable and stretchable design fits average size,Head Circumference: 22.4-23.6 inches (a circle between nose and occipital bone) , 0.9 ozs
• Ideal for ski, driving, biking, running, hiking, fishing