Quick changes with zero fuss. The Billie Long Sleeve Zip Romper is made for daytime cuddles and middle-of-the-night feeds. A two-way zip with a protective anti-catch tab makes nappy changes easier, while fold-back foot muffs keep toes toasty warm. Turn-back mittens for sizes up to three to six months add extra warmth. Soft cotton comfort that's gentle on baby skin.