The N-Ferno 6464 Insulated Freezer Jacket with AmpiFIRE Heat Reflective Lining is rated to -60-degree F conditions for up to 5 hours of moderate work activity in freezer cold storage facilities. AmpliFIRE aluminum insulation captures, reflects and traps body heat. Polyester nylon blend exterior ensures the jacket delivers warmth, comfort and durability. Jacket includes oversized front pockets and a pen/stylus holder for ample storage and easy access, even when wearing gloves. Rib-knit cuffs and drawstring cord at the bottom of the jacket help seal out the cold and wind. Heavy-duty zippers with storm flaps offer extra protection against harsh weather. Added lime background material enhances visibility in low-light conditions. Clearly visible exterior size label allows wearers to instantly recognize and select their ideal jacket size. Built-in mic tab and d-rings provide easy access to radios, scanners, ID badges and keys. Jacket is machine-washable for effortless cleaning and care. Designed with 250g of 3M Thinsulate insulation, this jacket traps heat for warmth in extreme cold, ranging from -20 to -60-degree F. 3M Thinsulate is 30% thinner in profile compared to standard poly fill and has a higher loft design, making it condense at a much slower rate and offers more thermal retention than standard poly fill, increasing its life integrity. Deep Freezer Jacket has a CLO rating of 4.4 and is ideal for those working in freezer cold storage facility freezer rooms. It is also designed for outdoor workers in any industry, from construction to mining and outdoor recreational activities such as hiking or snowmobiling.