Lucksender Womens Fashion Round Toe Lace Up Platform High Chunky Heels Mid-Calf Casual Boots PU All of our Shoes are marked as China Size. Please measure your foot from toe to heel. We have updated the size chart, please refer to our new size chart. Rubber sole Shaft measures approximately 6.69"from arch,Boot opening measures approximately 5.11"around Heel Hight approximately 4.33",Platform measures approximately 1.77" Upper Materials:PU;Lining Material:Artificial short plush