Material. Cup / Crotch: 100% Pure Silk. Body Fabric: Silk-Cotton Blend (78% Organic Pima Cotton, 22% Silk). Details. Incredibly soft Pima cotton and pure silk fabric, highly breathable. Elegant lace detail in front. Supportive wireless bra with maximum coverage, compressing your bust and giving it a naturally rounded shape. Non-padded and non-wired design with added stretch offers unmatched comfort throughout the day. Non-padded