Working barefoot is fantastic for your body. Go barefoot as much as you can!
There are some great exercises in this video but as always, know your body and know the difference between pain and discomfort - do not do anything that is painful.
An off day doesn't have to mean no work. Recovery routines are great to add to your off days. Sleep, nutrition, and recovery exercises are the 3 key factors for recovery after a workout or game. If you can perform this routine barefoot, great!