Our organic Knotted Hat is a newborn necessity. Featuring an adjustable tie knot, our hat is snug and comfy.  SIZINGNB - average age 0-3MXS/S -average age 3-6M Made of 100% organic cotton Interlock fabric Fits snuggly to keep a baby's head warm Sustainably and ethically produced with eco-friendly AZO / heavy metal free, water-based dyes Naturally hypoallergenic