Off road tires? Or just for dry country, as you sure don't want these filling with mud

the big deal is that they are the first airless tires in a long time, about a hundred years, and probably no one alive was around the first time these were invented: http://justacarguy.blogspot.com/2011/07/draper-tire-salemans-dodge-with.html

thanks to Steve who found them on Gizmodo, who found them on Autoblog http://gizmodo.com/the-first-airless-tire-vehicle-you-can-own-is-a-wicked-1466598045/@zacestrada