Don&';t let the cold nip at your neck, nose or ears. This Buff ThermoNet multifunctional headwear wicks moisture away for comfort and provides maximum protection from chilly winter weather Features -Breathable, durable PrimaLoftA(R) yarn is 4 times warmer than regular polyester microfiber -High-thermal insulation mimics the warmth of down and its high warmth-to-weight ratio means you don&';t need bulk to stay warm -Fabric wicks moisture away from your skin while retaining heat inside, keeping you comfortable and dry in even the most frigid winter weather -Seamless construction won&';t rub or irritate