Rieker B6720. These men's trainers from Rieker are lightweight and have a rugged outsole. Along with the Rieker’s Antistress technology that ensures the sole is light, flexible, absorbs shock and easily adapts to your foot, the padded tongue and padded collar enclose the foot in snug comfortable environment. A removable memory insole guarantees walking comfort and are ideal if custom orthotics are required. The RiekerTEX membrane keeps your feet dry during those showery days.