Columbia Men's Northern Trek Jacket 100% Cotton Shell: 41% Cotton, 40% Polyester, 19% Nylon Smoothtrek Ii. Lining: 100% Polyester 350G Mtr(TM) Fleece Ii Jacket security pocket-the security pocked is designed to hold keys, credit cards or other necessities where you can get to them - and no one else can. Insulated-this product contains insulation to retain body heat for warmth. Machine wash cold gentle, wash separately, do not bleach, tumble dry low, remove promptly, iron low, if present do not iron decal, drycleanable Imported