To wear this long - sleeved t - shirt, simply put it on over your head and adjust the sleeves. It can be paired with jeans for a casual look or dressed up with a blazer for a more formal occasion. When it comes to washing, turn it inside out and wash it in cold water to preserve its color and shape. Avoid using bleach as it may damage the fabric. After washing, hang it to dry or tumble dry on low heat. Iron on a low setting if needed, and store it folded in your drawer or hanging in your closet.