All new Gravity is the most innovative Sweep snowmobile monosuit to date with brand new looks and features. Gravity is a one-piece snowmobile overall made from a special bonded & laminated DuraShell stretch Pro shell fabric. It has an impressive water pillar rating of 30,000 H2O and a breathability rating of 20,000 g/m2. DuraShell is resistive, flexible and dirt-repellent and wonât rustle even in very low temperatures. This new fabric with a nice and strong feel has a very wide range of uses. Thanks to the generous fit, body protection can be worn under the overall with ease..