Material. Cup / Crotch: 100% Pure Silk. Body Fabric: Silk-Cotton Blend (78% Organic Pima Cotton, 22% Silk). Details. The undeniable soft comfort of Pima cotton in a full coverage brief provides a soft, easy feel against the skin. Pima Cotton is naturally hypoallergenic as it doesn’t irritate the skin or cause allergies. High rise and offers full coverage. Elegant leafy embroidery at the leg edge for a feminine touch. 100% Silk Gusset is naturally moisture-wicking and ensures all-day freshness