Silk Long John Underpants from Japan
Thermal long john underpants crafted from 72% silk blend, fully knitted for warmth and comfort in cold weather. Falls under HTS 6107.99.50 as men's underpants with over 70% silk content. Silk's thermoregulating properties make it superior for base layers.
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
• Document knitting gauges and silk waste ratios in technical specs to support classification claims
• Use HTS-specific labeling for 'men's silk underpants' to prevent gender misclassification under closure rules
• Watch for reclassification if elastic content exceeds norms, potentially shifting to other textile subheadings