Castelli Women's Prima 2 DT Cycling Bib Shorts The Castelli Women's Prima 2 DT Bib Shorts give unrivalled comfort on the saddle and feature the Drop Tail (DT) system to make nature breaks simple and fuss-free. Castelli uses Pro2 Dry Soft fabric for the shorts, a luxuriously comfortable fabric that feels great against the skin. The anatomic design makes for the perfect fit, letting you dance on the pedals with optimal efficiency and flexibility. Lie-flat leg grippers also maintain a streamlined fit that will stay put. To the upper body, elastic bib straps provide comfortable support, and with...