Merrell Freewheel Chukka Shoe Adult A sleek spin on a classic design, our pedal-savvy Freewheel Chukka knows you were born to ride. A rich, soft leather upper merges with its hip modern CycleTread? sole that integrates a rigid midfoot and grippy surface for pedal power and flexible forefoot for when you have to walk. Upper: Leather and Mesh Lining: Canvas and Mesh Midsole: EVA with air cushion and Cycletraead technology Outsole: M:Select Grip Rubber