Cotton woolen shirts are long-sleeved underwear worn close to the body. Cotton woolen shirts are mostly made of cotton and are usually thicker, so they keep you warm, and everyone wears them close to the body in spring and autumn or in the cold winter months. What is a cotton sweater Cotton sweater is usually made of cotton yarn and blended yarn such as acrylic/cotton, wi/cotton, nylon/cotton, etc. It is knitted into cotton wool blank fabric by 1+1 double ribbing on a loom, and then bleached and dyed, finished, cut and sewn. Cotton wool is a kind of medium-thick long-sleeved knitted underwear sewn from various cotton wool fabrics worn close to the body in spring, autumn and winter. What is the difference between cotton wool fabric and cotton Cotton wool fabric refers to a kind of knitted fabric, which is a double ribbed knitted fabric made of two ribbed tissues compounded with each other, with the characteristics of soft hand, good elasticity, even surface and clear pattern. Cotton woolen cloth, that is, double ribbed knitted fabric, is a knitted fabric made of two ribbed tissues compounded with each other. The fabric is soft to the touch, good elasticity, even surface, clear pattern, and better stability than sweat cloth and ribbed cloth. He is made of woven cotton blend and chlorine cotton blend. Cotton fabric is generally said to be woven fabric, and the content of cotton material in the fabric is higher than 90% of the fabric.