Sock It to Me, Dinomite, Unisex Stretch-It Knee-High Socks 58% cotton, 40% polyester, 2% spandex Imported Machine wash with like colors in cold water. QUIRKY DESIGNS - Let's be honest, we've all done a T-Rex walk before. Grab a pair of these so that next time you curl your arms and prance around in proper T-Rex fashion, you'll be one step closer to the real thing. STYLISH WIDE CALF SOCKS - These babies can stretch up to 21 inches in circumference and designed to fit slim to wide calves to prevent blood from pooling and improve your blood circulation DURABLE, SOFT, AWESOME - These socks are made in Korea from cotton, polyester, and spandex. SHOW YOUR FEET SOME LOVE - Our threads are certified by OEKO-TEX Standard 100, which means we leave out harmful chemicals to keep your skin safe and happy. TREAD WITH STYLE - Make your feet happy with these durable, super-soft, high-quality socks. Fits up to women's shoe size 12 and men's shoe size 13, approximately.