These TechraNova hoodies are really easy to use. Just put them on and enjoy the comfort! When it comes to washing, make sure to turn them inside out and wash them in cold water with similar colors. Only use non - chlorine bleach if necessary. You can hang them to dry for the best look, or use a tumble dryer on a cool or low - heat setting. But be careful, fabric softener can make the colors fade, so don't use it. Also, don't iron or dry clean these hoodies to keep them in good shape for a long time. Whether you choose the zip - up or pullover style, these hoodies are great for daily wear.