This newborn baby hat made of high quality cotton and polyester, keep the baby soft and warm.This soft, warm and breathable unisex newborn boy girl hats provide warmth retention giving moms and dads a piece of mind when dressing their child on those chilly days. Special design with an adjustable knot that can tighten or loosen as needed, ensuring a comfy newborn hat, if needed. Our baby hats for girls and boys can function as a preemie newborn baby hat when the knot is tightened.