| 摘要 |
The invention provides for a helmet (1) includes the first pad in contact (9) with an occipital region of a rider, and each of second pads (7) in contact respectively with the cheeks of the rider, and wherein the first pad can move in the helmet from a first occipital region-contact position to a second occipital region-contact position, and wherein the second pad can move in the helmet from a first cheek-contact position to a second cheek-contact position, and wherein the helmet can be moved relative to the rider's head by a predetermined distance. |
