Genuine U.S. Military surplus the famed N4B Mitten shell is part of the ECWCS system of clothing, when layered correctly you're guaranteed to stay warm!
When it comes to staying warm in cold weather environments, many experts look to the US Military for their expertise. The ECWCS N4B Mitten is part of the Military's Extreme Cold Weather Clothing System and can be combined with other layers for a custom system that truly meets your environment. Designed to be used with liner gloves these shells are virtually impervious to the elements with their ripstop nylon construction and thick leather palms they even feature wool backing for wiping goggles, faces or windows.
All garments are Genuine Military surplus and inspected for quality before they're offered for sale, most are unused, some with original packaging or instructions others have been issued all will perform as intended and will keep you warm!
Don't forget to check out how to make these part of your survival kit!