The Ugg Sunburst Tall boots womens aprs ski boots are mid-calf boots are made from twin-faced sheepskin. You can replace the insole to add warmth for winter, and keep them cool in warmer temperatures.The detailed informations are as follows:
      -Twin-faced sheepskin uppers
      -Removable insole
      -EVA insole
      -Molded rubber sole
      The UGG Sunburst Talll boots are the excellent winter footwear choice.