How does soybean fiber compare to other fibers? Soybean fiber is as soft as cashmere, as warm as wool and soybean fiber has joyful silky luster and elegant feel. Also, soybean fiber is good at moisture absorption and conduction as cotton. Our Soybean fibre quilt is made from cotton and Soybean fiber. The elasticity, density and expansion are improved by changing the fabric. The comfortable and casual look of our Soybean fiber quilt is sure to create a relaxing atmosphere in any master suite.