Zensah Women's Run Seamless Long Sleeve Running Shirt 100% Polyamide Imported Ultimate Comfort: The Womens Long Sleeve Running Shirt is seamless  meaning it does not have any seams or tags to cause irritation. The shirt is form fitting to give you a flattering shape. Whether using the shirt during a long run, for yoga, or just around the house, the seamless design prevents chafing and ensures ultimate comfort. The Run Seamless Long Sleeve Shirt is the most comfortable running shirt you will ever wear. We guarantee it. Breathable: The Run Seamless Long Sleeve Running Shirt for Women features strategically placed mesh areas to improve ventilation and give superior breathability. While the long sleeves keep you warm, the mesh zones are featured on the back and side of the womens running shirt to keep your body at the perfect temperature during your runs, workouts, and more. Reflective Back Details for Safety: Love running in the early morning or late evening but worry about visibility? The Zensah Run Seamless Long Sleeve Shirt features reflective details on the back of the shirt for improved visibility. As light hits the details, it is reflected back, making your presence known. It is a great womens shirt for night running and should be part of your night running gear. Thumbholes for Warmth and Fit: The running shirt features stylish thumbholes to keep hands warm during cold morning or evening runs. It also prevents the shirt from sliding or moving while enjoying your favorite activity. Moisture Wicking and Anti-Odor: Made in Italy, the Run Seamless Long Sleeve Shirt is moisture wicking and anti-odor. Made of innovative Zensah Fabric, It will not become heavy with perspiration and prevents the buildup of bacteria, which causes odor. It allows you to perform at your best. It is made of 100% Polyamide.