The Carters Baby Boy 3 Months 3 Piece Vest set includes a long sleeve vest and pants in 100% cotton material, making it suitable for casual occasions in the winter and fall seasons. The multicolor design adds a playful touch, perfect for styling a little boy in his third month. Machine washable for easy care, this outfit set from Carter's is a comfortable and stylish choice for parents looking to dress their baby in a cozy and adorable ensemble.