Soft modal knit. Adjustable tank straps make nursing and pumping easy. Scoop neck. Hook closure at back. Pump not included. Fabric overlaps with easy clip-down feature to hold your pump in place for hands-free pumping. Made with 92% organically grown cotton. Organic cotton is better for people and the environment because its grown without the use of harmful synthetic pesticides and fertilizers. Choose your maternity size based on your pre-pregnancy size. For more fit and sizing info, check out our Size Chart. Spandex 8. 0 Organic Cotton 92. 0