A summer weight sleeping bag by Marmot, 2011 in green and grey fabric. The outer shell of this mummy style sleeping bag is constructed from 100% Nylon or polyamide which is wind resistant and performs well in wet conditions . It has a soft polyester lining and Spirafil (TM) insulation which is a blend of large, hollow spiral fibres and small polyester fibres for warmth, softness and compressibility. It has an additional feature of an interior zipped pocket or 'Stash pocket'. The bag is very lightweight and compacts easily into the accompanying bag for transporting. It has a temperature rating of 10 degrees C, weighs 934g and is 6ft in length.