The Reebok Brain Dead x Zig Kinetica 2 “Mad Science” S23891 sneakers in men's size 11.5 are a unique and stylish athletic shoe featuring a white colorway with accents of paper white, boulder grey, and lemon glow. These sneakers are part of the Reebok Zig Kinetica 2 product line and are designed with a mesh upper material for breathability and comfort. The Mad Science edition adds a fun and creative touch to the classic Zig Kinetica 2 model, making it a standout choice for those looking for an eye-catching sneaker option