This Women's Banana Republic long sleeve button up shirt in size M is made from 100% cotton in a black and white color scheme. It features a collared neckline, button closure, and a regular fit. Suitable for casual occasions, the shirt is lightweight, packable, and breathable, making it perfect for all seasons - winter, summer, fall, and spring. Ideal for basic style, this versatile shirt is machine washable and a great addition to any wardrobe.