From your first stride to your first finish line and every exciting moment in between, the Rivera 4 is soon to be your favorite neutral road running shoe. With our Slim FootShape™ Fit and molded heel collar, experience a secure feel that emphasizes performance. A slightly higher stack height of 28mm is constructed with Altra EGO™ midsole foam for a soft yet responsive ride. Keep your feet cool and happy with a breathable tongue and layered mesh, no matter the race-day forecast. Whether you're jogging your morning miles, competing in your first 5K, or walking a few blocks to yoga class, the Rivera 3 is the shoe you'll reach for every time.