Using this hoodie is easy. Just zip it up or down based on the temperature. You can put your hands in the big front pockets to keep them warm or store small things like keys or a phone. When it comes to sizing, remember to order 1 - 2 sizes larger than your normal size because our international sizing is smaller than the USA standard. For maintenance, simply throw it in the washing machine on a cold, gentle cycle with mild detergent. Then, hang it up to dry. Keep in mind that the color you see on your screen might be a bit different from the actual hoodie, and there could be a small measurement error due to hand - measuring.