"I'm pretty sure that's more of a sign of the times rather than Marrowood itself." Of course even back home Emma was sure some fashion choices were less than great. "We're not as hard up for fabrics or constant battles. Although Ruby probably would've wore stuff closer to yours back ... well, back home home."
Judging by Aurora, Mulan and Hook's attire in the Enchanted Forest, she'd guess that they're fashion was just a little more in line with eighteenth century looks. "So you said that you and your brother had magical protection from dark magic. Have you figured out how that one works?"