How to use: Just put on this t-shirt like you would with any other shirt and go about your day! It's great for casual outings, sports activities, or just lounging at home. Note: Since different suppliers and brands have different size charts, make sure to check the size chart carefully before buying. That way, you'll get a shirt that fits you well. Maintenance advice: You can machine wash this t-shirt in cold water with like colors. Avoid using bleach as it might damage the fabric and the geometric tribal pattern. After washing, tumble dry on low heat or hang it to dry to keep its shape and color looking good.