Short in the back and hurts armpit area.

I am 6'3" and 230 lbs. As others has said, this is short in the back (I bought the largest one and it still does not cover much of the back). The lengths of the waste straps are good but (again, as others have said) it is really rough on the armpit area. I had to take it off after 20 minutes. I will try it again with a heavy sweatshirt to see if it is any better.

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