The downproof functional fabrics are distinguished by their down penetration-proofing and supple handle. Having been engaged in the design of fabrics for over 30 years, FTC uses innovative nylon microfibers to produce a series of high-quality breathable downproof-by-construction fabrics by means of unique weaving, dyeing and finishing techniques. In addition to their superb downproof quality, FTC's high-density downproof-by-construction fabrics feature breathability, moisture permeability, softness and light weight.