kilofly Non-Skid Silicone Patch No Show Liner Socks Value Pack Breathable & Comfortable - Made of high quality cotton blend No Slipping off - Silicone grips on heels effectively keep liners in place Value Pack - Includes 3 paris for bigger saving Solo Length: Large - 7.9 inch (20 cm) Recommended for US women's shoe size: 8-12, men's show size: 6-9