Rubber soleMaterial:Artificial PU,Rubber Sole, Improve ComfortFeatures: Flat, Knee High, Outdoors, Gladiator Sandals, Back ZippedGirth & Height Tips: The Girth and Height are Different from Different Sizes. Thigh Girth is 34-40.4 cm; Boots Height is 35.5-39.5 cm. Please See the Details Chart in Photos or Descriptio Part.SIZE TIPS: The size conversion from EU to the US has been changed so we updated the size chart, please refer to the detailed size information in the photo or description to select your size.NOTE: Shoes Delivered by Amazon FBA are Packed by BUBBLE BAG and PP BAG (No Box),as to Protect the Shoe and Reduce Shipping Cost. Please Don’t Mind That, Because Each Pair of Shoes has been Tested Strictly before Sent Out. Should You Have Any Questions, Please Feel Free to Contact Us!