The North Face Summit Series Jet Softshell Jacket - Men's TNF Black/TNF Black Small Mountaineering and alpine climbing Windproof soft shell fabric, rated at 0 CFM, blocks wind and is brushed inside for added comfort DWR coated for added water resistance Fabric: Body: 70D x 160D TNF&trade; Apex ClimateBlock 58% _x001F_polyester, 37% _x001F_nylon, 5% _x001F_elastane; Cuffs: 85% _x001F_polyester, 15%_x001F_ elastane double knit Weight: 646_x001F_g (1 lb 7 oz)