Traditional Liner Silhouette Secure Non-Slip Heel Lightweight and Soft Cotton Blend Durable and Resilient Knit The best looking socks no one will know you're wearing. Our Cotton Blend Mid-Cut Liner Socks sit right below the edge of your shoe, and stay exactly where they're supposed to. Their ultra-soft comfort stretch cotton blend is lightweight and breathable, finished with a non-slip silicone heel to keep them in place. Designed for versatility and convenience, slip these on and put your best foot forward.