Product Description body: 92% Polyamide, 8% Spandex; Lining: 90% Polyester, 10% Spandex Supportive X-shape back espeically for excellent support and straight posture Multi adjustable front close design offers ultimate convenience and perfect fit Wirefree and non padded design, thickened lining provides more support & compression Wide padded adjustable straps with cushion for extra comfy and shoulders relief Elastic underband provides additional support Adjustable Front Closure High center with full cups give you great cover. Adjustable hook & eyes help fit perfectly and put on it conveniently. Adjustable Cushioned Straps Wide cushioned straps with adjustable hook & eyes relieve your shoulder pressure and offer needed support and stability. Wireless Unlined Cups Thickened lining intimates with skin comfortably, prevent protrusion and provide a natural shape.