This is a knit romper with a collar! It's thick and warm♩ I wore it to the park with a red cardigan and mustard-colored tights, channeling Winnie the Pooh! I've only worn it twice. Mustard-colored knit sweater with frills, long sleeves, and buttons at the crotch for easy on and off. - Color: Mustard - Design: Round neck, with frills - Sleeve Length: Long sleeve - Material: Knit - Buttons: Buttons at the crotch Thank you for looking.