Per Nike: Nike Basketball pays tribute to the masters of Jazz in its birthplace. Like great jazz musicians who play instinctively, Bryant brings a similar improvisation to his game. Paying homage to this classic genre and some of its greatest musicians, the KOBE 9 Elite Devotion uses accents of brass in the upper. A glow-in-the-dark outsole pops at night, just as the jazz clubs swing into action. The upper includes additional, secret glow-in-the-dark symbols.