The Nike Therma-Sphere Max Women's Training Vest features innovative, layered interior fabric that holds heat against your body while still allowing air to circulate, so you stay comfortable in colder conditions. Weather-repellant finish helps you stay dry, and an innovative media pocket lets you move without distractions. Color: Color option available. 718910 Three-layer Therma-Tech Sphere fabric has raised nodes that trap warm air against your body and allows for airflow DWR (durable, water-repellent) finish helps keep you dry in light rain Dri-FIT technology helps you stay dry and comfortable Interior media pocket with embroidered eyelet keeps cords out of the way Body: Therma-Tech Sphere 90% polyester/10% spandex. Side panels: Dri-FIT 88% polyester/12% spandex Size Small. Excellent condition.