Run for a great cause in the Cotton “Stripes” Race For the Cure Lo-Cut sock from New Balance. An “Air Sport Sock” made of soft and comfortable cotton, this sock has medium density cushioning for shock absorption and arch support for stability and fit. 93% cotton, 15% nylon, 2% spandex. Arch support. Medium density cushioning. Pre-pack of 6 pair. Comfort flat toe seam. Double comfort stay up top.