The Tracksmith Long Sleeve Shirt for women in size medium is a brown performance stretch running shirt made from a blend of polyester and spandex. This athletic fit shirt features a crew neck, long sleeves, and a pullover closure. It is designed for outdoor activities such as running, jogging, and hiking, with features like moisture-wicking, breathable fabric, and a lightweight feel. The solid brown color and logo details give it a sporty and stylish look, perfect for active women on the go.