Using these men's t-shirts is simple - just put them on and enjoy the comfort! When it comes to washing, remember to use cold water and wash them inside out with similar colors. Only use non - chlorine bleach if necessary. After washing, hanging them to dry is the best way, but you can also use a tumble dryer on cool or low heat. Avoid using fabric softener as it can cause the colors to fade. And don't try to iron or dry clean these shirts, as it may damage the fabric. With proper care, your Blue Shell t - shirts will stay in great shape for a long time.