Temperature Rating: 19°F to 10°F (-7°C to -12°C) Same as the standard Special Forces 2 Snugpak? Sleeping Bag, but now with the A-TACS Digital Concealment System (DCS)A modular system comprising of two sleeping bags (which can be bought separately or as a set) the two bags can be zipped together using a detachable baffle to give an extreme bag with the convenience of single centre zip opening.