Material. Cup / Crotch: 100% Pure Silk. Body Fabric: Silk-Cotton Blend (78% Organic Pima Cotton, 22% Silk). Details. If softness is your top priority, you'll love these full briefs. Made with soft, perfect-fit Pima Cotton this brief is a great option for people with sensitive skin concerns. High-waisted offering great coverage of your tummy and hips. Comfortable Pima Cotton leg bands won’t dig or ride. Delicate embroidery gives a beautifully soft and exquisite look. Hygroscopic and Breathable silk gusset ensures all-day freshness. No elastics touching the skin