SDP Bibs with Powerband-Performance Pad Our highest end bibs made with Bluesign fabrics and the Performance pad for unparalleled comfort. Soft Prime band on the leg for comfort, not binding! Flatlock Stitching provides contrast design element & bombproof seams. Bib made with wickable lycra mesh, provides stability and comfort. Central Panel is seamless on inner thigh to minimize friction. Supple stretch and abrasion-resistance of Zaffiro means great durability without sacrificing comfort.