OPT Brand. 12 Pairs Wholesale Lot Men Adults Solid Black Ankle Sports Socks Low Cut Size 9-11 Fully Cushioned For Athletic. From New York. USA Trademark Registered Code: 86522969. OPT Brand. USA Trademark Registered Code: 86522969. Material: 90% Cotton, 10% Spandex.  Fully Cushioned For Athletic and Casual Wear.  Comfort Top-Stays Up.  Extra Durable Size: 9-11. Color: Black Package includes: 12 pairs.