- What part of don't you understand. Funny humor design for a mechanical engineer who studied mechanical engineering at college as a student. Give to your teacher, professor or wear it to class if you can relate to complex math equations.
- A design for mechanical engineering major graduates who like maths or mathematics. Great for electrical engineers, electronic engineers, civil engineers, mathematicians, and chemical engineers
- Lightweight, Classic fit, Double-needle sleeve and bottom hem
- What part of don't you understand. Funny humor design for a mechanical engineer who studied mechanical engineering at college as a student. Give to your teacher, professor or wear it to class if you can relate to complex math equations.
- A design for mechanical engineering major graduates who like maths or mathematics. Great for electrical engineers, electronic engineers, civil engineers, mathematicians, and chemical engineers
- Lightweight, Classic fit, Double-needle sleeve and bottom hem