The castelli chic bib tights the women39s chic bib tights are made from thermoflex fleece lined fabric and feature double layer knee articulation for extra warmth and flexibility featuring women39s specific bib straps to better fit the female form castelli chic bib tights features front upper amp knees 85 polyamidenylon 15 elastanespandex main 85 polyamidenylon 15 elastanespandex