Most international tariff systems have flat rates applying to all underwear, regardless of gender.
Tariffs on women's clothing are higher than men's, says former U.S. trade official
Does 'Pink Tax' Force Women to Pay More than Men?
Report: Women's underwear taxed more than men's in the US
Report: Women's underwear taxed more than men's in the US
Thinx for All™ Women's Bikini Period Underwear, Moderate Absorbency, Black
Report: Women's underwear taxed more than men's in the US
Report: Women's underwear taxed more than men's in the US
Women's Day: States consider dropping period or tampon tax in gender equity push
Big + Tall Cotton Classics 3-Pack Brief
Report: Women's underwear taxed more than men's in the US
Top Lingerie Updates for Women Over 50