Belabumbum Women's Maternity Ultra Smooth Wireless Nursing and Sports Bra AV101 Fiber: 78% Polyamide, 22% Spandex; Mesh: 94% Polyamide, 6% Spandex; Lining: 56% Polyamide, 18% Polyester, 16% Spandex, 10% Viscose Imported Machine Wash Medium impact support Wireless microfiber cups are lined with cotton and have a removable spacer pad Spacer pad provides coverage and wicks away moisture keeping mom dry and comfy Side cup is made of breathable stretch mesh and is elasticized for fit Multiple back hook and eye closures accommodate a woman's changing size