Timberland PRO Men's Gridflex Insulated Shirt Jacket Main Fabric: 98% Cotton, 2% Elastane Imported Machine Wash Flexible and durable cotton canvas stretches to however low, high or sideways the job takes you Zoned insulation 80 gram thermolite insulation in chest and back plus 60 gram thermolite insulation in arms Nylon quilted lining for warmth and comfort you can see and feel Multiple interior and exterior pockets to help protect all your workday nuts and belts Full front snap closure for on/off convenience