The Serena Unit feautures a permanet cool color toned 613 Lace Wig, with ash brown roots for natural grown out scalp effect, styled in a sleek middle part. The lace on this unit comes fully customized, and can be styled in loose spirals. (Sierra Unit is the same unit in bone straight). To request a different part location or root color please specify in the notes section. To request a different lace type (closure wig, hd lace, etc) please inquire with me before purchasing.