Falke Women's Step Cotton Invisible Ped Liner Sock 98% Cotton, 2% Elastane Imported Hand Wash The feeling of soft, 98 percent high quality cotton on your skin provides unbeatable comfort, breathability and easy care Hand-linked flat toe seams and knit-in reciprocated heel provide the highest level of wearer comfort Reinforced knit on stress zones for optimum durability and perfect fit Non-slip shoe liner thanks to silicon anti-slip system on the heel Low cut silhouette makes the liner imperceptible in the shoe