Fairfield Bit Size Chart

 
Fairfield Bit
shoe size circumference of top opening
( outside)
length of the boot (includes the heel) Heel height
  US 6 EURO 36--- 9.72" 14.41" 15.59" 1.3"
  US 7 EURO 37---10.00'' 14.80" 15.87" 1.3"
  US 8 EURO 38---10.28'' 15.20" 16.14" 1.3"
  US 9 EURO 39---10.55'' 15.59" 16.42" 1.3"
  US 10 EURO 40---10.83'' 15.98" 16.69" 1.3"
  US 10 EURO 41---11.10'' 16.38" 16.97" 1.3"