The Marker Phoenix OTIS Carbon Edition Helmet is the pinnacle of backcountry helmets. OTIS stands for Orthopedic Technology InSide and it's made up of special MAP Protection Pads. These pads are made from a speical material that doesn't stiffen and lose its cushioning power in cold weather. These pads are incredibly shock resistant and reduce pressure points for better comfort. The RTS fit System easily adjusts to your head shape with the turn of a dial. Even if you don't huck backflips off cliffs, protect that noggin with the high-tech Marker Phoenix Otis.