The True Fit Guarantee is a one time fee of $3.99, we will send a pre-paid shipping label with your shoes. If your shoes do not fit and you need to exchange them for a smaller or larger size, you can use the shipping label to ship them back to us. The True Fit Guarantee will also cover our $5 reship fee that we normally have for shoe exchanges as well. Unfortunately, it does not cover a full refund. There will be a 15% restocking fee on all returns. If during the first year of normal use, your new shoes are damaged due to a manufacturing defect in workmanship or materials, bowling.com will replace your shoes free of charge! With the Platinum Protection Plan, there is no need to wait for a lengthy manufacturer warranty claim. We will replace your shoes immediately.

Yes, in the product description it says " As a bonus it can also be used in thumbhole to provide quicker release"

Ultra Slide is USBC approved.