DELIVERY TIME: 7-12 working days. FABRIC: 75% polyester fabric and 25% cotton. Ribbed elastic and quality cotton provide breathable and comfortable socks that hug your feet. FASHION STYLES: San-Francisco-49ers-red-logo- Our stylish crew socks come in a great range of colors that fit a variety of different styles. From classic muted colors and argyle, to fun bright colors and patterns COMFORT: The Ultra Premium Cotton and Reinforced Arch Support area combined with the Vented Upper Area reduces foot fatigue and prevents moisture from affecting performance. 100% MONEY BACK GUARANTEE: We guarantee to provide return and replacement service & life-time free customer service,customer satisfaction will always be our top priority.