Silk Thermal Underwear Briefs from Japan
Insulated knitted silk briefs (77% silk) for cold-weather base layer support. HTS 6107.99.50 men's underpants with high silk. Retains warmth without bulk.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Classify as retail vs industrial to avoid end-use shifts
• Document non-orthopedic design per exclusions