NIKE Women's Tech Fleece Cocoon Mesh 725844 Body: 69% cotton/31% polyester. Mesh: 100% polyester. Imported Fabric: Body: 69% cotton/31% polyester. Mesh: 100% polyester. Nike Tech Fleece helps keep you warm and comfortable Mesh panels provide optimal airflow Elongated silhouette enhances coverage Rib trim offers a comfortable, secure fit