Home Prefer infant baby toddler kids hat is made of cotton with sherpa lined for the softest touch on your baby's gentle skin. Warm, pure, comfortable, and adorable! Perfect Christmas gift hat for your loved ones! Available sizes for ages from 0 to 7 years old.Please match with the size before purchasing and choose size up if in between. Size S:8.66"width x 7.87"height ,suitable for 0-12m (15.5"-17.3"/40-44cm)Size M:9.0"width x 8.3"height ,suitable for 1-2 Years (17.3"-18.8"/44-48cm) Size L:9.4"width x 8.7"height ,suitable for 2-4 Years (18.8"-20.3"/48-52cm) Size XL:9.8"width x 9.1"height ,suitable for 4-7 Years (20.3"-22.0"/52-55.5cm)