American Eagle Thermal Shirt L Blue Long Sleeve Heritage Classic Fit Collegiate This American Eagle Thermal Shirt is a long sleeve, crew neck t-shirt in size M, made of cotton knit material in a solid blue color. It features embroidered and logo accents, and is machine washable. The shirt is designed for classic fit with a regular size and is suitable for all seasons, making it perfect for winter, fall, and spring. With its breathable and thermal properties, this shirt is comfortable and stylish for everyday wear.