The world's best mountain sled. The Polaris RMK is the lightest, strongest and most flickable family of snowmobiles on the planet. Every model intuitively elevates the riding experience, to take you higher, further and deeper into the backcountry than ever before. For 2021, we’re elevating two critical elements of the proven RMK formula – Lift and Response. The result is a lineup of PRO RMK and Khaos models that leads the pack for 2021.