New Balance W1540BB2 Running Women's Running Shoes Basin/UV Blue Synthetic/MeshThe New Balance W1540v2 running shoe for women with Rollbar technology for the ultimate in stability and support. These NB 1540 New Balance running shoes for women in Basin UV Blue Synthetic Mesh have the following features: Synthetic mesh upper Blown rubber outsole Dual density collar foam ACTEVA LITE 24 percent lighter than New Balance's standard compression molded foam for optimal compression set properties. A core of soft cushioning EVA in the