Since 2021, U-turn has a collaboration with Ingeturnd. This is a tailor for gymnastics outfits by Inge Korte. Since 2007 she started creating leotards, with European materials wherever possible. There is a large selection of beautiful outfits available on her website: https://ingeturnd.nl/
You can find the specifics of the collaboration with Ingeturnd in the U-Manual.