The sole has worn down very thin on my pair of sperry’s. I still want to keep them so I’d like to get them repaired or ideally a new sole. The leather looks to be sown in to the rubber sole. Is there anything that can be done?

The sole has worn down very thin on my pair of sperry’s. I still want to keep them so I’d like to get them repaired or ideally a new sole. The leather looks to be sown in to the rubber sole. Is there anything that can be done?