5 Jumper Dresses To Style This Winter The 411 PLT Black Boucle Knit Roll Neck Maxi Jumper Dress Knitwear Flecked jumper dress Cognac brown White Denim Dress Buckles Design Jumper Skirt Levi's Big Girls Printed Denim Adjustable Buckle Jumper Dress Macy's. A vintage inspired jumper dress in 100% cotton denim, featuring adjustable buckle straps, two patch pockets with horn button closure, a print lined bib, and contrast topstitch detail. Finished with hand tacked stitches instead of rivets for softness.