OVERALLS FROM DUSTBIN BABY!!!?

i watched 'dustbin baby' last night and fell in love with a pair of overalls that April wore. during one of her flashbacks she is going to bed and poppy is in the other bed. she kicks off her sheets and curls up into a ball. i really want to get a pair of overalls just like the ones that she was wearing in bed in that scene. please help!! any suggestions to finding a nice pair if overalls like April's!!