To use this fashion suit, simply put on the oversize T - shirt and pair it with the shorts. It's suitable for various casual occasions. When it comes to sizing, refer to the size guide provided to find the best fit for you. Keep in mind that the actual measurements might vary a bit. For maintenance, always machine wash it in cold water with similar colors to avoid color bleeding. Don't use bleach as it can damage the fabric. Tumble dry on a low setting to prevent shrinkage. And remember, don't iron or dry clean the suit to keep it in good condition.