The Arc'teryx Casual Button Up Shirt in size Medium is a versatile and stylish piece perfect for travel and casual occasions. Made of cotton with a spread collar and button closure, this shirt features a solid dark slate color and short sleeves. With a chest size of 45 inches, this regular fit shirt is suitable for all seasons and includes pockets for added functionality. The brand's reputation for outdoor performance and hiking themes ensures a high-quality and durable garment that can be machine washed for easy care.