To wear this long sleeve t-shirt, simply put it on like any other shirt. It's suitable for casual outings, sports, or just relaxing at home. When it comes to washing, turn it inside out and wash it in cold water with like colors. Use a mild detergent. Avoid using bleach as it may damage the fabric. Tumble dry on low heat to keep its shape. If you need to iron it, iron on the reverse side to prevent any damage to the color or fabric. Enjoy the comfort and style of this amazing t-shirt!