Ridge standing seam

Look more closely. The ridge cap is wide open and is vented, per se.

The panels themselves are boxed on the end. That means the flat ends of the panels have been foled up, withoput cutting, like a paper airplane gets folded. Some put a piece of channel flashing under the panels to catch wind blown water, and hope it never finds a way through the underlay. (It will get onto the felt, just have to hope it doesn't get under that.) I close them off and, and can even add baffles in very windy or snow drift areas. Underlay isn't necessary to keep things dry.>>>