Kangoo Jumps Power Shoe (Children's Model) Replacement Shells

Spring arcs made of high quality "Space Age" plastic material. Main structural components of the innovative patented Impact Protection System (IPS). Compresses, together with the T-Springs, to provide the spring effect that reduces the impact stress by up to 80%. Comes is different thicknesses adapted to the weight of the users; the Shell 8 fits the children shoe, the Shell 6 L for light adult users of the KJXR3 (sizes S & M), the Shell 6 H for heavy adult users of the KJXR3 (sizes L & XL) and the Shell 7 for very heavy or extreme users on the Pro7 (L & XL). Includes a double way safety system SRS in conjunction with the T-Springs with a locking position for extreme uses. Offer a long product life span.