North End Men's 3-in-1 Seam-Sealed Mid-Length Jacket 100% Polyester Liner: 100% Polyester Anti-Pill Spun Fleece, 8.1 Oz./Yd2/273 Gsm. Shell: 100% Nylon Supplex, 4.4 Oz./Yd2/150 Gsm. Lining: 100% Polyester Mesh In Upper Body. Fully Seam-Sealed Waterproof Shell. Zip-Off Hood.