12 OZ POLARTEC® THERMAL FR®. 70% Modacrylic / 30% Rayon. Zip inside style L490N5. Thin, light weight. Wind resistant. Reversible concealed Nomex taped FR vislon zipper front closure. Adjustable hood with F/R string.Belt and cuffs in same fabric as jacket. 2 big inside gloves pockets with elastic.