A: Hello Cristina - Thanks for this great question! Either an M orL will work. I suggest an L for more room to grow! I hope this helps! - Jackie
A: Hi Sassy - Thank you for your question! We recommend using the size chart to assist in choosing the best belt! Thank you for stopping by! - Samantha
A: Hello Sarah C - Thanks for stopping by! The sizes on the Size Chart is for the belt's full length. I hope this helps! - Katrina