Lightweight and looks good. The service works with one hand: you bet on the helmet and chin strap closes. Then you turn on the dial at the rear of the helmet. Thus, the tabs and cable to tighten, the helmet fits snugly around the head. The helmet has sufficient distance from the head to allow a continuous vent, you do not sweat.
Better is not. And at a price for which you usually get only scrap from discounters.