ASICSŪ Thermopolis LT Earwarmer - Adult Double-layered for warmth with exclusive Thermopolis LT fabric, the ASICSŪ Thermopolis LT Earwarmer adds warmth and comfort to any late-night run or evening stroll. Reflective details increase low-light visibility and pull-down capability allows for better ventilation. Reversible for versatile style. 92% polyester/8% spandex. Imported. One size fits most.