NIKE Women's Air Zoom Fly 2 Menta/Black/Flash Lime/White Running Shoe 6 Women US Mesh Rubber sole Zoom Air located in the forefoot consists of low-profile pressurized air pockets that flex on contact for responsive cushioning Cushlon is a full-length midsole foam that delivers plush, resilient cushioning Phylon Wedge is a midsole foam piece in the heel for lightweight, resilient cushioning