CARLOS Womens Black Zipper Accent Brie Round Toe Block Heel Zip Up Journee Womens Kalindi Lace Up and Zip Entry Square Toe Booties, Widths Franco Sarto Womens Waxton Square Toe Zip Up Ankle Boots Walmart.com Black Chunky Block Heel Zip Up Booties Gem. This trendy heel features a denim upper, square toe silhouette, simple stitching detail, and wrapped chunky heel. Finished with a lightly padded insole and side zip up closure. Material: Denim (man made) Sole: Synthetic Measurement Heel Height: 3. 5" (approx) Shaft Length: 8. 5" (including heel) Top Opening Circumference: 10" (approx)