Rounding out our family of staple socks, the Quarter Run Sock now comes in a three pack, perfect for stocking up. | 32% nylon, 28% COOLMAX polyester, 8% polyester, 27% cotton, 5% elastane. "Time to Fly" on interior opening. Reflective HOKA bird on back. Engineered arch support. Seamless toe construction. | HOKA Quarter Run Sock 3-Pack in Black/Black/Black, Size Large