When you need an extra layer, choose the Nike+ Women's Knit Jacket for your run. This full-zip jacket features Dri-FITŪ technology and mesh vents for great temperature regulation. Front hand pockets and internal zip-close stash pocket secure your valuables while running. Exclusive Nike+ pocket includes a tactile click wheel dot and cord control system for seamless integration with the iPod nano. Reflective accents provide additional safety in low light. Body: Dri-FITŪ 84% polyester/16% spandex plain jersey. Mesh: Dri-FITŪ 100% polyester. Imported.