This classic black t-shirt features a unique FIR filter diagram design, perfect for engineers and signal processing enthusiasts. The shirt is made from a comfortable fabric that appears to be cotton, and the graphic is screen-printed in a subtle tone-on-tone color. This makes the design both noticeable and understated. Show off your passion for engineering while staying comfortable and stylish. Ideal for casual wear, conferences, or a fun conversation starter. Stand out from the crowd with this unique technical statement piece!