Size Chart Pacret Size: 24 USA size: 10.75 Circumference: 63.46 mm Pacret size: 22 USA size: 9.75 Circumference 60.95 mm Pacret size: 20 USA size: 9 Circumference: 59.06 mm Pacret size: 18 USA size 8.25 Circumference: 57.33 mm Pacret size: 16 USA size: 7.25 Circumference: 54.63 mm Pacret size: 14 USA size: 6.5 Circumference: 52.75 mm Pacret Size 12 USA size: 6 Circumference: 51.49 mm