Read a performance review on adidas adiZero Crazy Light shoes! The adidas adiZero Crazy Light creates a new standard for lightweight basketball shoes through innovative engineering. Synthetic leather upper offers lightweight and durability. Welded frame provides lightweight support and breathability. Sprintframe adds stability and speed through geometry to create a lightweight and supportive basketball chassis. Removable insole. Internal EVA midsole gives cushion, fit and comfort. Non-marking rubber outsole with variable height engineered traction pattern delivers ultimate grip. Additional comfort insole included. Wt. 9.8 oz.