Size Chart:（Product Measurement）

US6:Foot Length:9.1IN,Ball Girth:8.3IN

US6.5:Foot Length:9.3IN,Ball Girth:8.5IN

US7.5:Foot Length:9.5IN,Ball Girth:8.7IN

US8:Foot Length:9.8IN,Ball Girth:8.8IN

US9:Foot Length:10.0IN,Ball Girth:9.0IN

US9.5:Foot Length:10.2IN,Ball Girth:9.1IN

US10.5:Foot Length:10.5IN,Ball Girth:9.3IN

US11:Foot Length:10.7IN,Ball Girth:9.4IN

US12:Foot Length:10.9IN,Ball Girth:9.6IN

US12.5:Foot Length:11.2IN,Ball Girth:9.8IN

US13:Foot Length:11.4IN,Ball Girth:9.9IN

This data was obtained from manually measuring the product, it may be off by 0.39-0.79 IN