This men's hooded jacket is very easy to use. Just put it on like any other jacket and adjust the hood as needed to keep your head warm or cool. When choosing a size, make sure to check the size chart carefully because different suppliers and brands may have different size standards. To maintain this jacket, you can machine wash it on a gentle cycle with cold water. Use a mild detergent to protect the nylon fabric and the cotton lining. Avoid using bleach as it may damage the fabric. After washing, hang it up to dry in a well - ventilated area. Don't wring it out forcefully to prevent deformation. With proper care, this jacket will last you a long time and keep you looking stylish.