... heat retention, which can compare with cashmere sweater, and the cost is lower than cashmere, therefore the consumption crowd is expanded. ... (Milk fiber / mulberry silk, bamboo fiber, natural silk, cashmere)It feels good moisture absorption, permeable and comfortable and it ... and healthy. Top-grade underwear (Milk fiber / Cotton, Cashmere) The abundant amino-acid and natural humectant factor in milk ...