A back brace is like a big hug for your back. Just like when you feel sad and someone hugs you to make you feel better, a back brace hugs your back to help support it and keep it from moving too much.
The brace is made of special materials that are soft and comfortable on your skin but also strong to keep your back in place. It's kind of like a superhero suit!
People wear back braces for different reasons. Sometimes, if they hurt their back, the doctor might want them to wear the brace to help protect their back while it heals. Other times, if someone has a problem with their back that makes them slouch or stand crooked, they might wear a back brace to help them stand up straight.
But just like a superhero has to take off their superhero suit sometimes, people don't wear back braces all the time. They usually wear them for a few hours a day or when they need extra support.