The insulated bomber jacket is back! You asked for a bomber-style style jacket built for tackling the toughest jobs in the worst conditions and now you ve got it with the HiVis Waterproof Bomber Jacket. From working the dock to making deliveries, your job leaves you out in the cold all the time. Warm up, stay dry and brush off the everyday grime in a high-visibility rain jacket built with your work in mind. Sizing Instructions: For the most accurate fit, take your measurements over the base layer of clothing you intend to wear with this RefrigiWear gear (such as thermal underwear, jeans or a sweatshirt) and refer to the size chart for this product.