Shop officially licensed Cal Poly Mustangs crew sweatshirts from Rally House! Great for loungewear around the house, gamedays and any sporting occasion, a Mustangs crewneck sweatshirt from Rally House is the perfect complement to any outfit. Our crew sweatshirts are warm and stylish, great for fans of all ages! With the largest selection of Cal Poly Mustangs crews with the most unique designs Rally House is the go to crew sweatshirt store for your team. Love what you found when shopping our Mustangs crew sweatshirts? Shop all Cal Poly Mustangs sweatshirts and sweaters and shop all Mustangs gear with Rally House!