A lingerie collection that will be smooth on your skin to sleep comfortably at night. 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. Sky blue is generally used in shirts and tops. It is less preferred in bottom wear.