Ted Baker Plain Bolero Knitted Cardigan. Single Hook and Eye Fastening. 49% Cotton 44% Silk. Elbow Length Sleeves. This Bolero knitted Cardigan is a perfect piece for a summer cover up. It features a light knitted silk and cotton blend which has a very soft, fine texture to it. This short in length cardigan has contrasting bind on each seam and a single gold hook and eye fastening at the top of the front placket. It has been finished off with a round neck.