The sealskinz halo lightweight overshoe brings a significant improvement to road safety and overshoes in general equipped with a 4lumen hi powered led the sealskinz overshoes emit a bright light visible from over 500 meter ensuring you are seen when out and about in low light conditions designed for commuting and road riding you simply push down on the halo light to switch between 2 flashign modes or continuous light to suit the current light levels made from a water resistant mater