Pendleton Men's Crew Socks 71% Cotton, 27% Polyester, 2% Spandex Imported The American Treasures design celebrates the 100th anniversary of the National Park Service, created in 1916 to manage our parks and monuments The motifs evoke the forests, rivers and mountains protected by those who serve as keepers of America's natural beauty Our designers have added just the right amount of spandex to prevent slippage and ensure a consistent fit throughout the day Deep, welted top helps hold sock in place and reduces pinch lines Fully cushioned sole for comfort and fit