Do Cheap Thermal Covers for Cycling Actually Work?

/ @mihaicaba
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This is a video about a pair of half shoe covers for cycling.
they have been put through a bit of abuse as you can see in the video and this is what i think of them.
Full name on Amazon at the time of video is:
ROCKBROS 1 Pair Shoe Cover Cycling Waterproof Bike Windproof Strapped Half Shoe Cover Bicycle Thermal Toe Covers Warmer Unisex Resilient Riding Durable MTB Road Bike Overshoes