Soft low ankle socks with silicone heels that will keep your feet warm and dry. They are designed to be invisible in low shoes and sneakers. PREMIUM QUALITY. This is a Premium Quality piece, partially made with merino wool. Merino wool is a soft and lightweight material that keeps you warm and is made to be loved for a long time. Care for your merino wool, and you got yourself a timeless piece to wear again and again. Elastic hem Silicone heel Soft merino blend Premium Quality