There's a directory right there. [No hesitation as Izuku tugs Todoroki along to said directory at the entrance of the building.

Now that his latest bout of melancholy temporarily defeated, all Izuku wants to do is throw all his energy into making Todoroki smile and making the shopping trip a success.] Let's see... oh, there's a Tabio on the second floor. We should look there first.

[He blinks, drawing back in surprise.] Finding a sock store was a lot easier than I expected it to be.