Nylon Description STYLE # 4415Ultra sheer is Berkshire's top selling collection. Add a hint of color that matches your skin tone for the ultimate bare-leg look. The sheerness is so invisible, it will be your little secret. It's comfortable yet slims, smooths and controls. Details: Panty: Control Top Denier: 15 Denier Toe: Sandalfoot Content & Care:Panty: 80% Nylon, 20% Spandex; Cotton Blend CrotchLeg: 100% NylonHand wash separately in warm water. Do not bleach. Drip dry. Country of Origin: Made in USA Size Chart