We have sleepwear in various clothing materials, including velvet, silk, cotton, and other smooth fibers. Wacoal is a Japanese luxurious lingerie brand founded in 1949 by Koichi Tsukamoto, and today, it is recognized globally. At first, you might think Wacoal products are costly, but once you wear them, you’ll realize they’re worth a lot more. White is one of the best selling colors for Sleepwear.