MI Commuter Helmet Medium Size | PLUGnPOINT. The Xiaomi Commuter Helmet features a durable PC shell that is impact resistant and designed to keep you safe. Its high-density EPS internal lining helps absorb any external pressure making you feel much safer and more confident while commuting. The commuter helmet is made from a lightweight material that makes it easy to carry while not putting too much strain on you during usage. The inner pad uses a breathable material so you can comfortably wear it for longer periods of time. For additional protection, it features a reflector at the back of the helmet to help others on the road see you easier in low-light situations or completely in the dark at night. Its sleek design features a smooth outer shell with a comfortable feel, making it more stylish than an average road-cycling helmet.