RefrigiWear Men's Lightweight Insulated Econo-Tuff Workwear Jacket A lightweight, less bulky jacket that helps you stay warm even in sub-freezing temperatures with 6 ounces of polyester fiberfill insulation Durable 200 denier polyester outershell helps keep out the elements plus avoid rips and snags Features 2 convenient outside insulated pockets to help warm your hands plus extra storage space with 1 inside pocket An insulated knit collar adds warmth for the back of your neck A great lightweight jacket for those working or playing in cool conditions, especially when you need mobility and don't want to be weighed down by a bulky jacket