Let's take a look at Class 1-A's outfits to the reunion 

Izuku's outfit:

Katsuki's outfit:

Shoto's outfit:

Ochaco's outfit:

Tenya's outfit:

Tsuyu's outfit:

Eijiro's outfit:

Denki's outfit:

Mina's outfit:

Hanta's outfit:

Kyoka's outfit: