Features Thinsulate 3M insulating lining. Chest pocket. Extendable microfleece side inserts. Quick Drying. Silent. Stretch Fabric. Breathable. Material Material 1: 100% Polyester – Material 2: 100% Polyester – Insulation: 100% Polyester – Lining: 100% Polyamid Browning Clothing Sizing Chart: