It may be different for different monitor settings in the color image.
Results because of differences in measurement may be 1-3cm.The deviation is in the normal range.
Thank you for your understanding!

• Material:outer:60%cotton+40%polyester;Lining:fleece
• Size S:Head circumference:40-46cm/15.7"-18.1"
• Size M:Head circumference:46-50cm/18.1"-19.6"
• Size M:Head circumference:50-54cm/19.6"-21.26"
• Shipment from China

Material:outer:60%cotton+40%polyester;Lining:fleece