The entire line of SurPro's single-sided (S1) and double-sided (S2) drywall stilts have been update with new innovations, including two brand new editions - S1X and S2X. Both "X" models feature the new Flexion Foot System and provide the most natural walking feel in drywall stilts. Maximize stability, comfort and performance with the new S2X, which has been equipped with the all-new Rocker Leg bands - the first leg bands that move with you, not againsts you.