You're not too far off right now. The main thing is how you're approaching you're clothing.
You have wrinkles but there's no real form or logic to them. I think it'd be a good idea to drop down a few levels pull up some good reference for the type of fabric you want and really focus of the overall form of the wrinkles and what's causing them.
Here's some images to get you started, not saying necessarily to sculpt what you see here exactly just to get you in the right direction:
Hey lookin great. My only comment for now is on the hat. it looks too perfect, like a polygon primitive cylinder. Could use some slight inperfection or a little curvature in the overall form of it. Nice work.
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You have wrinkles but there's no real form or logic to them. I think it'd be a good idea to drop down a few levels pull up some good reference for the type of fabric you want and really focus of the overall form of the wrinkles and what's causing them.
Here's some images to get you started, not saying necessarily to sculpt what you see here exactly just to get you in the right direction:
Did some changes with the character according with the feedback.