Small

  • US SIZE 6/ UK SIZE L
  • DIAMETER 16.5MM
  • CIRCUMFERENCE 52MM

Extra Small

  • US RING SIZE 5/ UK RING SIZE J
  • DIAMETER 15.3 MM
  • CIRCUMFERENCE 49MM

Extra Extra Small

  • US SIZE 4/ UK SIZE H
  • DIAMETER 14.9MM
  • CIRCUMFERENCE 46.8MM
 

Extra Large

  • US SIZE 9/ UK SIZE R
  • DIAMETER 19MM
  • CIRCUMFERENCE 59.5MM
 

Large

  • US SIZE 8/UK SIZE P
  • DIAMETER 18.1MM
  • CIRCUMFERENCE 57MM
 

Medium

  • US SIZE 7/ UK SIZE N
  • DIAMETER 17.3MM
  • CIRCUMFERENCE 55MM