Women’s TIEKS Obsidian black patent flats- size 10. Great condition! See all photos. Smoke free home. Fast shipping Make a bold, sophisticated statement in Obsidian Black Tieks. This croc patent style is the perfect go-between pair when workdays spill over into party nights. The embossed croc texture and sophisticated patent shine is sure to polish off any look. 100% premium, soft, patent full-grain leather ballet flats Non-elasticized, cushioned back Non-skid rubber soles and comfortable cushioned instep