... Polyurethane Foam Roll Underwrap/Pretape. 2, Non latex! 3, Breathable! 4, Conforming to contours! 5, High elasticity! MDS-Softpad TM Foam Roll ... Tape Underwrap/Pretape, made of polyurethane, can be used to provide some ... slipping: Features: 1, Breathable & comfortable! 2, Light weight foam protecting from skin friction & chafing! 3, Good tensile strength! ...