Cotton blend, free-size Pilates socks. Non-slip and comfortable fit. - Brand: Rintosull - Product Name: Pilates Socks - Size: Free Size (21-24.5cm) - Material: 80% Cotton, 14% Polyester, 6% Spandex - Design: Blue floral design Color: Gray Blue Opened once, but only taken out and unused. Thank you for looking.