Stay light on your feet with the Flex 2017 RN running shoes from Nike. Constructed with a breathable, engineered mesh upper in a feminine violet colourway, the sneakers comprise a tonal, lace up fastening and innovative Flywire technology, which holds the foot securely and comfortably. Ensuring a lightweight feel, the trainers are placed upon a dual-density foam sole with a tri-star texture to enhance flexibility for movement. Rubber pods at the toe and heel increase traction. The sneakers are complete with signature Nike branding.. Material: Upper: Mesh. Sole: Dual-Density Foam.