Released in September 2019, the Undefeated x Nike Kobe 4 Protro 'Black Mamba' pays tribute to Bryant's fierce on-court persona. This exclusive edition showcases a black synthetic upper, a molded external heel, and a captivating iridescent forefoot. The tongues and insoles feature Bryant's logo and the brand's distinct five-strike emblem in alternating fashion, while the rear displays his jersey numbers. The sculpted midsole sits atop a semi-translucent outsole, completing the remarkable design of this sneaker.