The difference between Powerline II and Powerline+ II is just the exterior material of the cable. For Powerline+ II, the cable is braided with nylon. For Powerline II, the cable is made of Thermoplastic Elastomer (TPE). Both cables are still strengthened with bulletproof fiber.
If you are looking to use a USB-C to USB-Cable to charge your USB-C MacBook Pro, your USB-C power adapter and USB-C cable need to support USB Power Delivery.