Ecru denim is characterized by its natural, unbleached color. The term ‘ecru’ typically refers to an unbleached or undyed fabric. Step into the world of Ecru Denim, known for its natural, unbleached color. ‘Ecru’ refers to undyed fabric, often seen as a light beige or off-white in denim. Retaining the natural color of cotton fibers without dyes, Ecru Denim offers a raw and organic look. Valued for its simplicity and versatility, it provides a neutral canvas that pairs easily with various colors and styles, making it a staple in any wardrobe. lor of cotton fibers without dyes, Ecru Denim offers a raw and organic look. Valued for its simplicity and versatility, it provides a neutral canvas that pairs easily with various colors and styles, making it a staple in any wardrobe.