The Multimat Extreme 12 XL Foam Sleeping Mat offers extreme comfort and warmth yet remains incredibly lightweight 450g making this season 5 mat ideal for expeditions and much colder climates The durable and reliable Extreme foam mat range offers you the optimum combination of weight reduction compactness and warmth and this 12 XL model has the added length 185cm and thickness 12mm to be able to offer you a comfort when you need it most This mat is an incredibly versatile and sleeping mat with great thermal properties and a tog value of 3 17 it can be used on its own or teamed up with a self-inflating sleeping mat to produce a reliable and practical sleeping system tailor made for specific expeditions making it a great mat for colder climates and winter months