Uvex jakkyl hde helmetthe uvex jakkyl hde helmet fits what enduro ultimately stands for versatility and the ability to adapt to any terrain any trail situation and every adventure this helmet offers full face protection on the downhill enduro sections and the chin protector can also be removed should a more all mountain or trail section be next on the agenda halfway down the mountain designed for every trail situationthanks to the interchangeable helmet interior and detachable chin protector