Wool twill fabrics in which the warp and weft yarns are only interwoven at least once every two yarns, with the addition of warp and weft interweaving points to change the wool fabric’s structure. Twill wool is also one of the more popular wool fabrics. It is also a thinner fabric suitable for neck or head scarves. Compared with plain weave, twill wool is thicker, softer and more durable. The pattern on it looks more textured.