Sockwell Women's Wanderlust Crew Socks 42% Merino Wool, 41% Nylon, 14% Alpaca, 3% Spandex Made in US Spandex throughout prevents slippage and ensures a snappy fit throughout the day Flat toe seam Y heel shape for better fit Arch support offers a comfort fit and helps keep the sock in place Turn welt top helps keeps the sock in place Socks will be shipped in either Goodhew of Sockwell packaging