Wool sewing thread is a popular choice for those who want to add a touch of luxury to their sewing projects. This type of thread is made from 100% wool fibers, which gives it a soft and smooth texture. It is available in a variety of colors, including natural shades like beige, brown, and gray, as well as vibrant hues like red, blue, and green. Wool sewing thread is strong and durable, making it perfect for sewing heavy fabrics like denim and wool. It is also a great choice for embroidery and decorative stitching, as it adds a unique texture and depth to the design.