Material Cup / Crotch: 100% Pure Silk Body Fabric: Silk-Cotton Blend (78% Organic Pima Cotton, 22% Silk) Details It features criss-cross bands that pull the shoulder back, align body posture to relieve back and shoulder pain, and improve posture Graphic lace adds a modern yet feminine touch to this bra Ultra-soft seams and breathable Pima Cotton let you move freely and stay comfortable all day long Lightly padded and lined in silk Detailed with larger straps for support Wireless Non-padded Cotton Sports Bra, Thrift Haul, Body Posture, Lounge Pajamas, Perfect Bra, Fashion Revolution, Improve Posture, Shoulder Pain, Back Support