Deontay Wilder isn't only known for his devastating knockout power ... he's also famous for his epic ring walk costumes, and the heavyweight champ tells us he dropped 40 grand on this weekend's epic outfit.
TMZ Sports talked to the 34-year-old Bronze Bomber on Thursday ... 2 days before of one of the most anticipated fights in heavyweight boxing history.
As you'd expect, Wilder says he's gonna flatten Fury ... but we also talked about what's really important -- the walk out uni.