The CS model or Contemporary Series comes in only a tenor size. The CS shape has more width in the bottom as well as being rounded not flat. The waist is also more pulled in and tighter compared to traditional shapes. This model is fully customizable as well, including a choice of snake head shaped headstock or upgrade to slot head. Also choice select upgrade woods for back, sides and top as well as the headstock too. Also additions like all around binding in a choice of wood, your choice color of purfling and rosette radius fingerboard, fingerboard binding and custom inlays.