A soft-substrate carpet made from recycled yarns includes a carpet fiber layer and a recycled fiber layer in a top-to-bottom order, wherein the carpet fiber layer comprises carpet fibers and a first non-woven scrim, the carpet fibers being tufted on the first non-woven scrim, and the recycled fiber layer comprises recycled fibers and a second non-woven scrim, the recycled fibers being tufted on the second non-woven scrim; the carpet fiber layer and the recycled fiber layer are permanently bonded.