Marmot Slopestar Ski Pants (79740). But don’t be fooled by the clean look: the Slopestar is a functional phenom. Made with a 100 percent seam-taped construction and Marmot’s waterproof/breathable fabric, the Slopestar is kitted with all the coveted mountain features like toasty warm synthetic insulation, brushed tricot seat and thigh, Cordura® scuff guards, zippered leg vents and internal gaiters.