First Class


Your first class is on us and includes rental gear. You have nothing to lose, everything to gain. Sign up below to get started!


This deal is for locals only - be prepared to show proof of residency prior to your first class.


The Grit Box Experience



All you need for a killer workout packed into 45 minutes. Grind it out, kick some ass, and leave feeling stronger and more confident than ever. 



Rotate between Kickboxing and Strength Training every two rounds for a perfectly balanced program. 


experience necessary

Our classes are designed for all fitness levels. Your coach will guide you through each round and motivate you to find your inner warrior to get the most out of class!


Is this class for beginners or do I need to have experience kickboxing?

Zero experience necessary! Come as you are and experience a high-energy class! Grit Box was created to allow beginners and experienced fitness enthusiasts to get a killer workout together in the same class.  

When should I arrive for my first class?

If it's your first class, please arrive at least 20 minutes before class starts. Your coach will walk you through the class format, strikes, and help prepare you for class! Reservation for your first class is required.

What is your cancellation policy?

You must cancel your class reservation at least two hours prior to class to avoid a late cancel fee or no show fee. Failure to cancel your reservation on time will result in a $15 fee.

What do I wear to class?

Workout clothes with closed-toed gym shoes. We also recommend bringing a small hand towel to wipe up that hard-earned sweat, and don't forget a water bottle!  

Do I need my own gloves?

Nope! Gloves and wraps are available to rent for $5. If you do have your own, feel free to bring them. Your thumb MUST be fully covered and the spot must be attached to the hand.  

Is there parking available?

There is first floor retail parking in The Guild parking garage all day (first three floors before 7am and after 5:30pm). Street parking is also available. 


  2 Carlson Ct, Charleston, SC 29403

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