The first weve ever come across this superking fitted sheet combines highest quality 1000 thread count with easy care fabric all other bed linen we know of with such a high thread count is 100 cotton meaning it tends to crease in the wash and who wants to spend their time wrestling on the ironing board with a massive superking size sheet woven in 70 cotton with 30 polyester to help prevent creasing it has a 1000 thread count thats an amazing 1000 threads per square inchthe silky s