Flax-Cotton-Polyamide Shirting Fabric from Mexico
Unbleached plain weave shirting fabric with 65% flax, 25% cotton, 10% polyamide filament, 170 g/m², not square construction. HTS 5309.21.30.70 for other flax blends containing cotton/MMF under restraints. Used for formal dress shirts.
Duty Rate — Mexico → United States
16.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Polyamide content subjects to MMF visa requirements; provide weave structure analysis if CBP questions poplin classification
• Common pitfall: incorrect fiber % declaration leads to duty recalculation