Rockport Women's Truwalk Zero Split Lace-Up Fashion Sneaker 100% Manmade Imported Synthetic sole Strobel construction provides maximum forefoot flexibility right out of the box A lightweight ethylene vinyl acetate outsole provides shock absorption to help reduce foot and leg fatigue Adidas adiPRENE sport technology cushioning absorbs shock at impact to protect the heel Adidas adiPRENE+ sport technology cushioning in the forefoot provides a resisilient and flexible push off Rubber outsole provides a durable grip on a variety of surfaces