Coolman Harley Chassis in BlackFORM & FUNCTION. Coolman Harley Case (Black) If you are looking for a high end PC case that can accommodate your latest hardware and still look good, you need to check out the Coolman Harley Case. This high quality case provides plenty of support for your components while also providing a stylish appearance. The design on the front panel features an eye catching honeycomb design. The window on the side adds to the overall aesthetic appeal of the case