Osaka Women Baselayer Top | BlackStay active and comfortable in every season with the Osaka Women Baselayer Top in Black. Designed for performance, this womens baselayer shirt regulates body temperature by keeping warmth in during cold conditions and quickly wicking away sweat during high intensity training. Made from a blend of polyester and spandex, the top is lightweight, stretchy, and breathable, offering a second skin fit that moves with you. Whether youre on the field, in the