We use the wool that is obtained from lambs. Lamb’s wool is softer than the wool of older lambs. Very fine wool is derived from Merino lamb. This is soft and very fine wool with increasing popularity in sweaters. Fibers are from the Wool goat. Mohair is very soft, smooth, and comfortable. Sweaters made of mohair are very uncertain and soft. Very fine, glossy wool is from the soft undercoat of Shetland lambs. Shetland lambs are raised on the Shetland Islands off the Northern coastline of Scotland that is widely used in clothing industry for making men sweaters.We use excess variety of wools in our cardigan sweaters to ensure warmness