With a healthy dollop of Scotchlite on all sides these overshoes are certainly a worthwhile addition to your night armoury, and the fact that your feet are constantly moving makes them even more visible. The fabric is a thin fleece with a waterproof PVC coating; it's stretchy, but not as stretchy as Neoprene, nor as warm. It is very windproof though, which is a bonus.
You get a Kevlar-reinforced heel and toe, and a full length Velcro closure which makes for easy fitting. The seams are all flatlocked and the main seams on the body are taped too for extra durability. In the depths of winter you'll probably be yearning for something a bit thicker and warmer, such as Endura's own Neoprene Road overshoe, but for warmer, wetter days the Luminites are great for keeping your shoes and feet dry, and they really come into their own once the sun goes down.