Northwave Hover Spin BootHover SPIN is an All mountain boot with a medium flex, it adapts to different terrains; from backcountry to the slopes and even the parks. The unique SPIN system assures a fast and secure closure of the boot, it requires 30% less turns compared to the other wire closure systems. Dyneema cable is the same system used on parachutes, its also lighter than steel wire and has no memory problem. Try and beat that! TF Liner.