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Under Armour Men's Heatgear Swim Briefs from Japan

Under Armour Heatgear swim briefs for men use knitted synthetic microfibers for moisture-wicking in water activities. Under HTS 6112.31.0010, as they are men's made-up swimwear of synthetic fibers, excluding orthopedic or worn items per chapter notes. The athletic compression distinguishes them from casual underwear.

Duty Rate — Japan → United States

25.9%

Rate breakdown

9903.05.480%Section 301 (forced labor) — Japan (col1 rate ≥ 12.5 percent): MFN >= 12.5% → no additional duty

Import Tips

Include fabric swatches or photos proving knitted construction and swim purpose

Comply with CPSIA labeling for any metallic threads if present

Pitfall: incorrect fiber content declaration can trigger audits