CrossFit 4715 - fitness in a rustic industrial building

C'est ce que CrossFit 4715 recherchait dans leur logo design

A logo for our new CrossFit gym.
We are after after a cool logo that will look great painted up on our walls within our building (black on white / white on black)
We had thought perhaps some kind of shield but very open to design ideas.
The building has been nicknamed 'The Workshop' so perhaps incorporating these words may work. Voir plus