The Under Armour ColdGear Long Sleeve is a solid black pullover shirt made of polyester with a crew neck and long sleeves, designed for athletic fit. It features moisture-wicking and breathable properties, making it suitable for activities such as gym training, cross-training, and running. The shirt is machine washable and accented with the Under Armour logo, making it a comfortable and versatile choice for active men looking for high-performance activewear.