Show off your dual passions with this humorous "Civil Engineer by day, Ninja by night" t-shirt! This black tee features a playful design with bold lettering and a ninja silhouette, perfect for engineers with a sense of humor and a love for all things ninja. Made from a comfortable-looking fabric, this shirt is ideal for casual wear, engineering events, or as a fun gift for your favorite civil engineer. Let the world know about your hidden talents and your dedication to engineering, all while sporting a fun and unique style.