50650 Stormy Kromer Women's Millie Kromer Cap Yes, you can have your Kromer and your ponytail too. Stormy Kromer solved this ongoing hat-hairstyle dilemma with the Millie, named for Stormy's niece. It's essentially an Ida with a place for your pony. Classic construction Check. Wool blend and cotton lining Check. Pull-down earband Check!