Sizes - length of back
3XS - Under 6" $10.00 USD
2XS - 6.1 - 8" $15.00 USD
XS - 8.1 - 10" $20.00 USD
S - 10.1- 13" $25.00 USD
M - 13.1 - 16" $30.00 USD
L - 16.1 - 18" $35.00 USD
XL - 18.1 - 20" $40.00 USD
2XL - 20.1 - 22" $45.00 USD
3XL - 22.1 - 25" $50.00 USD
4XL - 25.1 - 28" $55.00 USD