Size Chart:(Product Measurement)
US5:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:8.0IN,Foot Length:8.7IN,Shoes Inner length:8.9IN
US5.5:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:8.1IN,Foot Length:8.9IN,Shoes Inner length:9.1IN
US6:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:8.3IN,Foot Length:9.1IN,Shoes Inner length:9.3In
US6.5:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:8.4IN,Foot Length:9.3IN,Shoes Inner length:9.6IN
US7:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:8.6IN,Foot Length:9.4IN,Shoes Inner length:9.8IN
US7.5:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:8.7IN,Foot Length:9.6IN,Shoes Inner length:10.0IN
US8:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:8.8IN,Foot Length:9.8IN,Shoes Inner length:10.3IN
US8.5:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:9.0IN,Foot Length:10.0IN,Shoes Inner length:10.5IN
US9.5:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:9.1IN,Foot Length:10.2IN,Shoes Inner length:10.7IN
US10:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:9.3IN,Foot Length:10.4IN,Shoes Inner length:11.0IN
US10.5:Platform Height:0.3IN,Heel Height:3.1IN,Ball Girth:9.4IN,Foot Length:10.6IN,Shoes Inner length:11.2IN
This data was obtained from manually measuring the product, it may be off by 0.39-0.79 IN