Yohe: refers to the meaning, fully enclosed helmet after wear, only the lens can open and close, high safety coefficient, the inside of the helmet can protect the head of the buffer to the every part, will be better able to reduce the wind resistance, noise reduction, this is also why the motorcycle race use full face, dressed in life more troublesome, if open the lens still blocked the mouth, when the car still is hot in summer.

Half helmet: lower safety factor, after all, only protect three quarters of the area of the head, more convenient to wear, can wear helmet to communicate directly.

Open-face helmet: it is a deformation equivalent to the whole helmet, mostly with double lenses, suitable for motorcycle travel and urban commuting. You can drink water directly with the helmet on the way of driving, and most of them adopt sliding buckle. However, in special cases, the buckle may fall off.

Off-road helmet: with an extended brim, it can keep out the sun during the leap, leaving a large space in the mouth to effectively protect the mouth and chin, and the eye opening can wear off-road glasses to prevent dust from entering the eyes, which is not enough to protect the whole helmet from dust, mainly used for off-road riding on non-paved road.