1, PU Underwrap Foam Tape 2, Self sticky! 3, Breathable! 4, Conforming to contours! 5, Elongation:>300% PU Underwrap Foam Tape made of polyurethane, used to ... , Breathable & comfortable! 2, Light weight foam protecting from skin friction & chafing! 3, Good tensile strength! 4, Self adhering, without clips or fasteners ...