Back for a refund the sizes were not what they said they would be returning yeah back brace work just fine youre the first one that i found that kid had a back brace second fit me i appreciate it and i think you and yes you do keep me line and its good that i can tighten it or loosen it when i want to but the board in the back is the most things because it actually support to spine so thank you very much for me is a worth the money every bit and more and the future i know where