Look for jersey robes.
Examples:
https://www.kennedyblue.com/products/ruffle-bridal-and-bridesmaid-robes?variant=40432259465267
https://weddingshop.theknot.com/product/womens-personalized-jersey-knit-robe-with-lace-trim-powder-blue
https://www.amazon.com/Amazon-Essentials-Womens-Lightweight-Mid-Length/dp/B08X8S843R/