I just ordered a seat cover from these folks for my DB30S. I've been looking for a new seat for awhile with no luck until now. They have a bunch of color combinations but I won't know about quality until mine gets here. I'll post some pics of the finished product.
https://www.etsy.com/shop/lxmboutique?section_id=14403033
https://www.etsy.com/shop/lxmboutique?section_id=14403033