The ASICS Women's Thermopolis LT 1/2 Zip is a highly recommended base layer top for women runners. It is made with ASICS' Thermopolis fabric, which provides excellent warmth and moisture-wicking properties. The half-zip design allows for easy ventilation and temperature control during your runs. The thumbholes provide added coverage and keep the sleeves in place. This base layer top is available in various colors and sizes, ensuring a perfect fit and style for every runner.