Got this after my first run with Evo SL

What is this? I’ve never had this with a running shoe and I have the adios pro 4 and novablast 5. All the same size 9.5 with novablast being the wide version.

What is this? I’ve never had this with a running shoe and I have the adios pro 4 and novablast 5. All the same size 9.5 with novablast being the wide version.