Here's how her new company stacks up against Kim Kardashian's intimate apparel line, SKIMS, and Rihanna's Savage X Fenty lingerie. Sydney Sweeney is making a bold move from Hollywood to the fashion world with the launch of her own lingerie brand, SYRN. Sydney Sweeney’s SYRN brand gives wearers the option of different personalities to choose fromSydney Sweeney is officially stepping into the fashion world with the launch of her own lingerie brand, SYRN. How does Sydney Sweeney’s brand compare to Rihanna’s Savage X Fenty lingerie? Kim Kardashian’s SKIMS brand aside, Sydney Sweeney’s SYRN also has to compete with Rihanna’s Savage X Fenty lingerie line.