The adidas Women's Alphaskin Sport Long Sleeve Tee is a top-rated base layer top for women runners. It is made with adidas' Alphaskin fabric, which provides a supportive and compression-like fit. The long sleeves offer extra coverage and protection against the elements. The moisture-wicking technology keeps you dry and comfortable throughout your run. This base layer top is available in different colors and sizes, allowing you to find the perfect fit and style for your running wardrobe.