National Museum of Natural History Children's Romper

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Exploration starts early with this sweet, hand-drawn, exclusive National Museum of Natural History Children's Romper. It is produced at a small-batch, female-run factory in Peru using 100% Peruvian Pima Cotton. Hand-sourced and blended with longer staple threads, this durable Pima cotton is the softest and most luxurious on the market, and it is also naturally hypo-allergenic and chemical free to protect your little one's sensitive skin. The zippered pajamas capture all the hallmarks of the Smithsonian's National Museum of Natural History—like Henry the elephant, Mammal Hall, Butterfly Pavilion, the Garden Lounge and more. Sizes up to 9-12 months have footies.

Museum Story

The Smithsonian's National Museum of Natural History is the world's preeminent museum and research complex dedicated to inspiring curiosity, discovery, and learning about the natural world through its unparalleled research, collections, exhibitions and educational outreach programs.

Created in collaboration with Joy Street Kids

Joy Street Kids is a small, Boston-based kids pajama and apparel brand. Each and every Joy Street Kids print is hand-drawn and designed with love by founder and mom, Eliza Ferrel. The collection is produced at a small-batch, female run factory in Peru using the coziest Pima Cotton on the market.

Eliza's thematic and location-based prints are intended to spark conversation and discovery. Children and adults alike will learn about the Smithsonian through exploring the icons, elements, and riddles scattered throughout each print.


  • 100% Pima cotton
  • Zipper with snap closure
  • Sizes: 0-3 Months to 12-18 months
  • Sizes 9-12 months and over do not have footies
  • Machine wash cold, tumble dry low
  • Made in Peru