his Lululemon men's shirt in size Medium features a blue color with a pattern of dots. It has a collared neckline with a button-down closure and short sleeves. The shirt is made of a blend of polyester and spandex, offering breathability, quick-dry, and easy-care properties, making it suitable for outdoor activities and casual wear. The Airflow product line indicates it is designed for comfort and ventilation, perfect for summer, fall, and spring seasons.