Baby and Toddler Wool HatClassic kids hat for cooler days. Knitted hat is made of 100% organic merino wool. Merino is the softest non-scratchy wool, excellent body temperature regulator. Great organic clothes for anyone with sensitive or eczema prone skin. Made of purest hypoallergenic materials SIZE: European hat size corresponds to head circumference in centimeters. Measure head at the largest point. Age suggestions are approximate and may vary. 38-40cm /15-16 inches/ 0-3 months; 42-44cm /16.5-17.5 inches/ 3-6 months; 46-48cm /18-19 inches/ 6-9 months 50-52cm / 19-20 inches/ 9-12 months 54-56cm / 21-22 inches/ 12-18 monthsCARE: Natural wool has self-cleansing properties, which minimizes need for washing. Best to wash by hand with detergent for wool. Do not rub. Rinse with plenty of water. It is important, that rinsing and washing water have the same temperature. After rinsing wrap up in a towel, squeeze it and gently stretch it into shape. Air dry flat. Tip: If new garment feels a little itchy, rinse in water with few drops of hair conditioner to smooth out fibers. Made in Germany