The Ski-Doo snowmobile seat is perfect for added comfort. It has ergonomically correct positions for the driver and the passenger and allows quick changes between 1-up and 2-up riding. The Lin Q 1 + 1 seat system is easy and quick to install in two steps. No tools needed! Simply clip in the seat and add the backrest. Needless to say, it is the ultimate in modular seating.