KJ PRO7 BLACK YELLOW Size M

KJ PRO7 Black - Yellow Size M (inner sole 28.5cm) - NEW – this is a PRO Series model, black/yellow, size: S, M, L, XL, unisex model. This latest PRO Series model is ideally designed for heavier users (over 90kg) and/or strong athletes. It can return up to 2x the energy of the standard XR Series. This Pro series model features the new TS-Pro7 T-Spring with 4 TwinTurbos PLUS 2 separate Steel Coil Springs which can be added to the TS-Pro7 to make the spring system harder (for extreme weights or extreme uses). It incorporates all the latest patented Swiss KJ technology and the new, heavy duty ShellXH, as well as the SRS (Safety Release System).The multi-size liner, adapts perfectly to several sizes. It features a better performance, increased comfort, new customizing possibilities, a longer life span, a 2 way safety feature with locking system. It has a durable hard shell boot with a comfortable, removable, machine washable liner.