What to wear
Comfortable athletic clothes are all you need for your very first class — a t-shirt and shorts or leggings work fine. You don’t need to own a gi (the traditional uniform) before you’ve even tried a class. Most schools sell or rent one after you’ve decided to stick with it.
What actually happens in class
A typical beginner class starts with a short warm-up, followed by instruction on one or two techniques broken down step by step. You’ll then drill that technique with a partner at a slow, cooperative pace — nobody is trying to "beat" you in a beginner class. Many schools close with optional light sparring for students who are ready for it, but as a first-timer you’re never expected to jump into that.
Nobody expects you to know anything
Every single person on the mat, including your instructor, was a first-timer once. Beginner classes are built assuming zero prior experience — you’ll be shown exactly where to stand, what to do with your hands, and how to fall safely before anything else happens.
Is it going to be too physically hard?
Brazilian Jiu-Jitsu is built on technique and leverage, not raw athleticism, which is exactly why people who’d never call themselves "in shape" train it successfully every day. You go at your own pace. Nobody is chasing a fitness benchmark in a beginner class — the goal is learning the movement, and the conditioning follows naturally over time.