The multimat summit 12 foam sleeping mat offers a fantastic combination of durability reliability warmth and comfort making it an ideal sleeping mat for extreme conditions and higher altitude expeditions the summit 12 is a standard length 180cm and has been made from top quality foams with a base layer for extra insulation and a tough top layer for added strength to make it thicker 12mm and more insulating than other foam mats this foam mat is incredibly versatile and can be used either on its o