Leather Rugged Backpack - Terra – Bullstrap。The COACH Billy Brown Backpack is a stylish and versatile bag perfect for travel, casual outings, or business meetings. Made with high-quality grained leather and featuring gold hardware accents, this medium-sized rectangular backpack has a drawstring, snap, and turn lock closure. The brown exterior color and adjustable shoulder strap make it a classic and preppy accessory for women. With inner and outer pockets for added functionality, this durable and easy-to-use backpack offers both fashion and practicality. The Coach brand, brass hardware, and bag charm add a touch of designer flair to this timeless piece.