Using the Trekmates Deluxe Poncho is a breeze. Just put it on like a regular poncho. The elasticated adjustable hood can be tightened or loosened according to your needs to keep your head dry. The zip - away backpack cover can be attached to your backpack up to 85 litres, so your belongings stay dry too. The press - stud closure at the crotch helps to keep the poncho in place. When it's not in use, simply fold it up and put it in the included stuffsack. As for maintenance, it's best to wash it by hand in cold water with a mild detergent. Avoid using harsh chemicals or machine - drying. Hang it to dry in a well - ventilated area. Keep it stored in a dry place to prevent mildew. And remember, this poncho is for adult use only, so make sure it's the right fit for you.