From Spanx, these leggings feature: Vegan Leather Finish The Slim is Built In™ contoured Power Waistband offers tummy shaping and a perky rear view Center-seam free High-waisted design for great coverage and no muffin top Body: 87% Nylon, 13% Elastane With Polyurethane Coating. Lining: 80% Polyester, 20% Elastane. Machine Wash/ Lay Flat to Dry Imported.