Onset is part of DesignerShoes.com's Fashion Fun collection. Onset is a mid heel casual bootie. Naturalizer is known for nice detailing and ornamentation, quality construction and comfort features. Naturalizer's women's shoe size run is typically 4 to 12 medium (M); 6 to 11 narrow (N); 6 to 11 or 12 wide (W) and extra wide (WW).This is a casual bootie. Simple styling on this classic casual ankle boot with modified cuban heel. MATERIALS: Leather upper. Manmade sole.