Material. Cup / Crotch: 100% Pure Silk. Body Fabric: Silk-Cotton Blend (78% Organic Pima Cotton, 22% Silk). Details. Highly breathable silk and Pima cotton, hypoallergenic and soft elegant lace detail in front. Flattering lace overlay hugs curves and allows for a natural lift. Non-wired design for maximum comfort. Maximum coverage: Designed to be smooth and keep you feeling comfortable throughout the day. Non-padded