Wool sweaters are a very common type of sweater in winter and are very warm to wear. Can you lengthen a wool coat with short sleeves? Which is more expensive, a wool coat or a cashmere coat? 　　Can you lengthen a wool coat with short sleeves? It depends on the fabric of the clothes. 1, if it is double-sided velvet without **, this kind of is no way to lengthen. Because it is made with an overlock machine, there is no margin. 2, if it is a single-sided velvet with **, this kind of can be lengthened, but only up to 1.5 cm. It can be lengthened from the cuffs and shoulder sleeves, but because there is no way to lengthen the **, it can only be lengthened by 1.5cm at most. 　　Which is more expensive, wool or cashmere? The price of cashmere is more expensive. 1, the advantages of cashmere clothes: thin, warmth, upscale; disadvantages: high price, because of the thin easy to become wrinkled, need to often take care of, but also bad care. 2, the advantages of wool coat: good warmth, not easy to wrinkle, good care, the price is much lower than the cashmere coat; disadvantages: than cashmere coat to be thicker and heavier.