What is Opportunity Cost: Full Guide with Examples Cherry Picnic Baby Girl Romper Soft Bamboo Zipper Pajamas. The Cherry Picnic Zippered Romper pairs playful design with thoughtful comfort. Adorned with flutter sleeves, ruffle trimmed zipper, and a cherry on gingham print, its made from an ultra soft bamboo spandex blend thats breathable, hypoallergenic, and eco friendly. The full length zipper makes changes a breeze, while convertible cuffed legs can be uncuffed to cover feetideal for extra warmth or growing room. Designed to adapt as baby grows, it's a cozy, machine washable favorite for every stage of early days.