After a long, ground-pounding day, ordinary shoes leave you feeling limpy and gimpy and aching to put your feet up. But Keen footwear gives you an entirely different experience of support, stability and cushioning that'll keep you walking with a spring in your step miles down the road. The extra-roomy toe box lets toes spread more naturally with every stride – stimulating blood circulation, massaging muscles, and keeping your feet feeling energized. (And if you happen to have bunions or…