Merrell Range Laceless AC+ Women's Walking Shoes Foam : The Merrell Range Laceless AC+ walking shoes feature a sleek silhouette and technical elements designed to offer long-lasting comfort. This style includes a 3D stretch knit that's easy to slip on and off while providing a secure, accommodating fit. Merrell Air Cushion+ within the heel and an EVA midsole provide comfort from heel to toe. A specialized M Select(TM) GRIP on the outsole provides durable traction for taking on rugged terrain. Shoe Technology Upper: Features a 3D knit upper fabric and a synthetic microfiber lining for ultimate comfort. An easy pull tab offers easy on and off transitions. Midsole: Merrell Air Cushion in the heel absorbs shock and adds stability. Includes a removable Vivaform footbed. Outsole: M-Select(TM) GRIP tunes each outsole with even greater performance and durable traction that grips when and where needed.