This cool men's sweater is easy to use. Just put it on and enjoy the comfort and style. When it comes to sizing, remember to order 1 - 2 sizes larger than your regular size for a better fit. For washing, use cold water and a gentle cycle with mild detergent. Then, simply hang it up to dry. Be aware that the color you see on your monitor might be a bit different from the actual sweater. Also, because it's hand - measured, there could be about a 2cm/1 - inch difference in the size. Keep these things in mind to make the most of your sweater.