Mariko of Super Eggplant got some fabric to make underthings. Honestly I never gave much thought to the fabric content of my drawers or considered it possible to make my own until reading her post. Which doesn’t mean I will anytime soon, but I still feel my worldview has been expanded a little bit, and that’s always good.
The fabric is from Sew Sassy, who describe themselves thusly:
We specialize in tricot, lace, elastic and lingerie fabrics, bra making supplies, lycra® and speciality fabrics for swimwear, activewear and costumes, and stretch fabrics containing lycra® or spandex for outer wear.
Sew Sassy sells supplies wholesale too.