For SBi MOTUS & W-HEEL WALKERS Easy snap on and off system for optimal transfer from Rocker Insole unit to Fully Rocking Insole. Sized as per the SBI Motus 2.0 or W-Heel 2.0 boots Either foot: S (34-36), M (37-39), L (40-42), XL (43-45) & XXL (46-48)
