You want to explore the cosmos, celebrate human ingenuity, and reach for the stars. You NEED Space! Inspired by NASA's iconic missions that changed the world. Celebrate space exploration with our I Need Space NASA crew socks, recognize revolutionary moments in space history and reach new heights with every step. Contents: 69% cotton, 29% nylon, 2% spandex. Fits approximate men's shoe size 7-13. Women's shoe size 10.5 .