Material: 83% Cotton, 10% Nylon, 7% Spandex Invisible & No Show: Covering the end of toes, the socks are no show for most loafers, ballet flats, low cut shoes, etc. No Sliding: Grip gel at the heel keeps the socks in place, hugs your feet well. They will not slip when walking. Soft & Breathable: Soft elastic band around the socks will not dig into your feet, you will not feel uncomfortable. Cotton socks with mesh bottom are more breathable and hygeian to keep your feet clean and dry Durable: Not easy to pill, durable for a long time wearing Added Value: The socks come in a CozyWow package. CozyWow provides 100% satisfaction. If you are not satisfied with our products, please contact us, we shall send a free replacement or issue a full refund.