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 touchpoints increases airflow, disperses moisture faster, and reduces wet-cling. With the perfect fit, the Karma Delta Bib Shorts offer Thunderbike Power compression fabric with a solid color leg gripper to keep the bib-shorts in place.