HTS 9902.13.48

Men's or boys' knitted or crocheted pullovers and cardigans, containing 70 percent or more by weight of silk, each with more than 9 stitches/2 cm, measured in the direction the stitches were formed, and an average of less than 10 stitches/linear cm in each direction counted on an area measuring at least 10 cm by 10 cm, such apparel articles that reach the waist (provided for in subheading 6110.90.10)