Okay kiddo, do you know what a boot is? Yes? Good! Now, have you ever seen a boot that goes over your knee? No? Okay, well that's what an over-the-knee boot is!
It's like a regular boot, but it goes up really high on your leg. Some over-the-knee boots even go all the way up to your thigh! They're kind of like really long socks that you wear on top of your regular clothes and shoes.
You can wear over-the-knee boots on a cold day to keep your legs extra warm and cozy. They also look really cool with a skirt or dress because they make your legs look longer!
Just like regular boots, over-the-knee boots come in lots of different colors and styles. Some have a flat heel (that means the bottom of the boot doesn't have a high heel), while others have a big, chunky heel. It all depends on what you like and what you feel comfortable wearing.
So there you have it, a over-the-knee boot is a kind of boot that goes up really high on your leg and can keep you warm and stylish on a cold day!