Organic baby knotted hat is a newborn necessity. The lightweight organic jersey will keep your baby comfy and cozy all year round. Made of 100% organic cotton 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 Certified organic cotton Style #205-15SIZINGNB – average age 0-3M XS/S – average age 3-6MM/L – average age 6-12M