New halo technology be safe be seen possibly the most significant development in overshoes in a generation sealskinz39s world exclusive halo equipped overshoes emit a bright light visible from over 500mtrs ensuring you are seen when out and about in low light ideal for road cycling or commuting where you need to be visible with a simple push on the halo you can switch between 2 flashing modes or continuous light to adjust the way you are illuminated stay safe out there be safe be se