Gelert elen 300 mummy sleeping bag the gelert elen 300 mummy sleeping bag is ideal for 2 3 season use thanks to the double layer mono fibre and polyester mix insulation shell 190t70d polyester lining soft touch lining with microfleece foot section filling 300gm double layer mono fibre polyester mix pack size 35 x 23cm ridged hood zip baffle shoulder baffle internal security pocket includes compression sack h220 x w75 45cm weight 158kg season