Such + as
Incorrect : He is such a man that can be trusted.
Correct : He is such a man as can be trusted.
Incorrect : He wears the same dress which I wear.
Correct : He wears the same dress as I wear.
Note: The words "such” and "same" are usually followed by "as". However, “that” can sometimes be used after “same”.
For example, it will not be incorrect to say :
He wears the same dress that I wear.