"Introducing the Pilot DS-2 Ski Deep Snow Performance, a remarkable advancement in the world of tracks skis from Ski-Doo. Designed for the true enthusiast, this ski features a deeper and shorter keel, enhancing agility while requiring less effort than its predecessor. Perfectly suited for mountain sleds equipped with 2.5"" lug tracks, it excels in deep snow conditions, making it an essential addition for those who crave adventure. Whether you're carving through untouched powder or navigating challenging terrain, the Pilot DS-2 guarantees a thrilling ride, embodying the spirit of freedom that every snowmobile fan lives for. Evolution of the DS with a deeper and shorter keel. Increased agility and less effort than the original. Standard on mountain sleds with 2.5"" lug tracks and utility sleds. Great all around ski for deep snow use"