Tapered and a raised rear tail for better boon docking, side hilling and when backing up your snowmobile. The side of the Attack ski features raised grippers so you can grip the skis without slipping off or grasping the skis. Features the 8” ski induction system and keel design which is 1.25 deep and 1.75 wide. New heavier rail system and gussets to stiffen the ski.