The Delta Pietra Jersey had unprecedented freedom of movement. Made with POLARTEC®’S POWER Stretch fabric featuring 4ways stretch technology to allow great flexibility to move. The back panel constructed with POLARTEC®’S DELTA TM fabric. Its structure of elevated touch points increases airflow, disperses moisture faster and reduces wet-cling. With innovative crash protection the Impact Pro Bib Shorts help avoid gravel rash after a crash with Sitip Impact anticut and anti-abrasion fabric reinforced with ultra high molecular weight fibre, the World’s strongest material (50 times stronger than steel).