You're going to love these sets! Made from the same soft and stretchy material as our swaddles and gowns this top & bottom outfit and hat set will fly off the shelves. This gender neutral white color is perfect for baby girls and baby boys. Please note, the hat only comes with the Newborn-3 months size.Sizes:Newborn - 3 months: Includes footie and a matching hat.3 - 6 months: Outfit only with footie - no hat.6 - 12 months: Outfit only - no hat. The bottoms are regular bottoms, no footies.