Wiggy's Sleep System

The Ultra Light is a +20 degree F (approximately 0 degrees C) rated mummy style bag. It is available in four sizes; 31 inches wide in the torso and 80 inches long (regular regular) (weight is 3.25 lbs.), 34 inches wide and 80 (regular wide body)(weight is 3 _ lbs.) inches long, 31 inches wide and 90 inches long (long regular)(weight is 3 _ lbs) and 34 inches wide and 90 inches long (long wide body)(weight is 4 _ lbs.). When the over bag is added to the Ultra Light the temperature rating becomes -20 degrees F (approximately -30 degrees C). When both bags are combined you have the Ultra Light FRTSS.