Using these pants is easy. Just put them on like you would any other pair of pants. They're great for casual outings, sports activities, or any situation where you want to look stylish and feel comfortable. When it comes to sizing, make sure to check the size chart carefully as different suppliers may have variations. As for maintenance, you can machine - wash them in cold water with like colors to keep them looking their best. Avoid using bleach as it may damage the fabric and the camouflage pattern. After washing, tumble dry on low heat or hang them to dry. This will help maintain the shape and quality of the pants over time.