How to use: Simply put on your XENOS Rad Vigilante t-shirt and enjoy your day! Whether you're going out or staying in, these shirts are perfect for any occasion. Size selection: Refer to the size chart to pick the right fit from S to 4XL for regular t-shirts and S to 3XL for premium t-shirts. Care tips: Machine wash cold and turn the shirt inside out. Wash with similar colors to prevent color bleeding. Only use non - chlorine bleach if needed. Hang dry for the best results, but you can also tumble dry on cool or low heat. Things to avoid: Don't use fabric softener as it can fade the shirt. Also, don't iron or dry clean these shirts to keep them in good condition.