The multimat superlite 38 self inflating mat has been designed to offer you excellent comfort in a compact and lightweight self inflating mat at 38mm thick standard version is 25mm it is significantly more comfortable and warm than the standard version this superlite 38 is still made from the same ultra lightweight foam core and durable 20d rip stop nylon fabric and the extra thickness offers you extra warmth up to a tog value of an impressive 5 while there is a small increase in the pack size a