The MIZUNO M Wave Rider GTX IRON GATE/OYSTER MUSHROO/BITTERSWEET is a men’s waterproof running shoe that combines rugged all-weather versatility with everyday comfort. It’s built with a Gore-Tex membrane to keep feet dry in rain and mud, a breathable and lightweight upper, and Mizuno’s signature Wave plate embedded in an Enerzy-enhanced midsole for smooth transitions, energetic cushioning, and stable forward propulsion. The outsole delivers reliable traction on both road and light trail surfaces, making this a neutral-runner choice for mixed terrain runs and wet conditions.