Tremendous mushy and stretchy knit crew socksSocks match: males's US measurement 3.5-12, ladies's US measurement 5-14, UK measurement 4-11.5, EU measurement 36-46 Knit with bolstered toe and heel, with further cushioning within the sole 58% recycled polyester (produced from recycled supplies), 22% nylon, 15% cotton, 4% spandex, 1% rubber Printed to permit ink to penetrate the yarn, so socks look nice even when stretched Machine cleanable