It's symmetrical, this allows you to plug the connector in either way up.
The USB Type C to USB A/M cable features both a Type-A connector and a Type-C connector making it the perfect solution for connecting modern mobile devices with a Type-C connector to a PC that doesn’t have a Type-C connector yet.
The new USB Type-C connector is smaller than most of the previous USB connectors. (Micro B is the exception.) It is also symmetrical; this allows you to plug the connector in either way up.
Connector 1: USB Type-C Male
Connector 2: USB A/M