Running-inspired shoes with a bold design. Accelerate into the future in theseReebok Zig Dynamica men's running shoes in Black / Red. Inspired by progressive running style, they have a bold midsole design that gives them a futuristic look. A Vector on the soft and flexible upper roots them in Reebok heritage. Innovative cushioning keeps you comfortable all day. Color: Black / Instinct Red / Pewter.