Secondly, your boots are likely constructed of several different layers. When these are forced to rapidly dry with heat, you’ll get loads of pressure placed on the surrounding stitches. Here, you’ll lose structure and observe weakness or cracking in stitched areas.
Finally, regardless of your boot’s material, direct heat will crack and split leather and synthetic uppers. It goes without saying, if you’re already experiencing wet feet, a crack is going to make matters worse in the field.
So, whatever you do, avoid placing your boots in front of a wood burning stove, heater, or in front of a campfire. Since heat is incredibly bad for your boots, we’ll go over some better options below that will help increase the longevity of your footwear.