worsted

worsted
/ˈwustɪd; `wʊstɪd/ n[U]
(a) fine twisted woollen yarn or thread 精纺的毛纱或绒线.
(b) cloth made from this 精纺毛料
    [attrib 作定语]
a worsted suit 一套毛料西装.

牛津英汉双解词典