This MiniMe Moo Boots is a Popular American style Ugg Boot for children.Upper:Calfskin and Sheepskin Lining.Sole:Wedge EVA sole. Colours:Black and White (pictured), Tan and WhiteSizes:Small, Medium, Large and XLWe would like to send you the correct size Minime Moo Boot the first time. We recommend that you measure your child’s foot from the heel to the end of the longest toe. You can then use this measurement to select the correct size using the following chart: SIZE CHARTS = 140-155mmM = 155-170mmL = 170-190mmXL = 190-205mmSelect the colour and size for your Kids Moo Boot from the drop down menu.