Socksmith Mens Down Hwy. 1 Socks - Arcata 27% nylon Fiber Content: 70% Cotton, 27% Nylon, 3% Lycra Sizing: Sock size 10-13 will fit a men's shoe size 8-13 You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!