Mountain Hardwear Thermostatic Jacket 100% Nylon Two front handwarmer pockets. Dual hem drawcords for quick fit adjustments. Low profile elastic cuffs for easy layering. Low profile, insulated hood. Jacket stows in pocket. Body Fabric: 15D Ripstop. Body Fabric Content: 100% nylon. Insulation: Thermal.Q Elite 60 g.