found a list of everyone's shoes! (CREDIT TO https://shelikesheryogurt.tumblr.com/post/155793927358/karasunos-volley-ball-shoes-list-ready-ribure) : r/haikyuu
Anime and Footwear
WHICH #HAIKYU SHOE WOULD YOU WEAR?... - Volleyball World | Facebook
Tanaka appreciation — Karasuno boys (and girls) and Shoes I went on...