CaredyCaredy Portable Foot Dryer with Intelligent Deodorization - Timer for Shoes, Boots, Gloves and More (White)

As described

Provides the gentle heat which is exactly what a pair of boots needs to dry out. A more aggressive heat would cause them to dry out and crack.

After football I normally had smelly boots but right after a short dry with these that goes away. So depending on what you want these to do they work for smelly football boots!

Does a pretty good job of quietly drying shoes